diff --git a/Visual Studio Projects/3B2.vcproj b/Visual Studio Projects/3B2.vcproj
index 3d38f089..57edd34c 100644
--- a/Visual Studio Projects/3B2.vcproj	
+++ b/Visual Studio Projects/3B2.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;USE_INT64;USE_ADDR64"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/ALTAIR.vcproj b/Visual Studio Projects/ALTAIR.vcproj
index e5f80aa7..a26561ae 100644
--- a/Visual Studio Projects/ALTAIR.vcproj	
+++ b/Visual Studio Projects/ALTAIR.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -128,6 +129,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/AltairZ80.vcproj b/Visual Studio Projects/AltairZ80.vcproj
index 7f4046b3..ad98cfa2 100644
--- a/Visual Studio Projects/AltairZ80.vcproj	
+++ b/Visual Studio Projects/AltairZ80.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="USE_SIM_IMD;NO_INLINE;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/B5500.vcproj b/Visual Studio Projects/B5500.vcproj
index 168f4c33..d32f29f3 100644
--- a/Visual Studio Projects/B5500.vcproj	
+++ b/Visual Studio Projects/B5500.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_SIM_CARD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/BESM6.vcproj b/Visual Studio Projects/BESM6.vcproj
index 300828f9..b71825db 100644
--- a/Visual Studio Projects/BESM6.vcproj	
+++ b/Visual Studio Projects/BESM6.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="USE_INT64;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_LIBSDL"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/BuildROMs.vcproj b/Visual Studio Projects/BuildROMs.vcproj
index 275b7228..93c9b59d 100644
--- a/Visual Studio Projects/BuildROMs.vcproj	
+++ b/Visual Studio Projects/BuildROMs.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -128,6 +129,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/CDC1700.vcproj b/Visual Studio Projects/CDC1700.vcproj
index a8e18b0e..d13a143c 100644
--- a/Visual Studio Projects/CDC1700.vcproj	
+++ b/Visual Studio Projects/CDC1700.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/ECLIPSE.vcproj b/Visual Studio Projects/ECLIPSE.vcproj
index cfb9eaf6..6694c453 100644
--- a/Visual Studio Projects/ECLIPSE.vcproj	
+++ b/Visual Studio Projects/ECLIPSE.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/FrontPanelTest.vcproj b/Visual Studio Projects/FrontPanelTest.vcproj
index d0ef150d..ba33b4c1 100644
--- a/Visual Studio Projects/FrontPanelTest.vcproj	
+++ b/Visual Studio Projects/FrontPanelTest.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,7 +125,6 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
 				OmitFramePointers="true"
-				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="../VAX/;../pdp11/;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.5/include;../../windows-build/libpng-1.6.18"
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB"
 				StringPooling="true"
diff --git a/Visual Studio Projects/GRI.vcproj b/Visual Studio Projects/GRI.vcproj
index 7695d240..de8f67f9 100644
--- a/Visual Studio Projects/GRI.vcproj	
+++ b/Visual Studio Projects/GRI.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/H316.vcproj b/Visual Studio Projects/H316.vcproj
index 747d67c1..6cd788a6 100644
--- a/Visual Studio Projects/H316.vcproj	
+++ b/Visual Studio Projects/H316.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;VM_IMPTIP"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/HP2100.vcproj b/Visual Studio Projects/HP2100.vcproj
index d1722220..626c4a2a 100644
--- a/Visual Studio Projects/HP2100.vcproj	
+++ b/Visual Studio Projects/HP2100.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="HAVE_INT64;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/HP3000.vcproj b/Visual Studio Projects/HP3000.vcproj
index ac1fff0e..5fb54f14 100644
--- a/Visual Studio Projects/HP3000.vcproj	
+++ b/Visual Studio Projects/HP3000.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="HAVE_INT64;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I1401.vcproj b/Visual Studio Projects/I1401.vcproj
index 48324e1b..8b4352dc 100644
--- a/Visual Studio Projects/I1401.vcproj	
+++ b/Visual Studio Projects/I1401.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I1620.vcproj b/Visual Studio Projects/I1620.vcproj
index 05a72b9f..bf72b45c 100644
--- a/Visual Studio Projects/I1620.vcproj	
+++ b/Visual Studio Projects/I1620.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I650.vcproj b/Visual Studio Projects/I650.vcproj
index fb1e84ec..0676ebba 100644
--- a/Visual Studio Projects/I650.vcproj	
+++ b/Visual Studio Projects/I650.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;USE_SIM_CARD;USE_INT64"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I701.vcproj b/Visual Studio Projects/I701.vcproj
index 8b1d8381..66703436 100644
--- a/Visual Studio Projects/I701.vcproj	
+++ b/Visual Studio Projects/I701.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="I701;USE_INT64;USE_SIM_CARD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I7010.vcproj b/Visual Studio Projects/I7010.vcproj
index 19bc0133..ff4ca67c 100644
--- a/Visual Studio Projects/I7010.vcproj	
+++ b/Visual Studio Projects/I7010.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="I7010;USE_SIM_CARD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I704.vcproj b/Visual Studio Projects/I704.vcproj
index 93c83a56..907c67f9 100644
--- a/Visual Studio Projects/I704.vcproj	
+++ b/Visual Studio Projects/I704.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="I704;USE_INT64;USE_SIM_CARD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I7070.vcproj b/Visual Studio Projects/I7070.vcproj
index e52db263..f3150ec1 100644
--- a/Visual Studio Projects/I7070.vcproj	
+++ b/Visual Studio Projects/I7070.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="I7070;USE_INT64;USE_SIM_CARD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I7080.vcproj b/Visual Studio Projects/I7080.vcproj
index cb9dfe80..b42045e1 100644
--- a/Visual Studio Projects/I7080.vcproj	
+++ b/Visual Studio Projects/I7080.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="I7080;USE_SIM_CARD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I7090.vcproj b/Visual Studio Projects/I7090.vcproj
index ded86ba4..b7bf2b0c 100644
--- a/Visual Studio Projects/I7090.vcproj	
+++ b/Visual Studio Projects/I7090.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="I7090;USE_INT64;USE_SIM_CARD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/I7094.vcproj b/Visual Studio Projects/I7094.vcproj
index f4f22189..fd9979c7 100644
--- a/Visual Studio Projects/I7094.vcproj	
+++ b/Visual Studio Projects/I7094.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="WIN32;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_INT64;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/IBM1130.vcproj b/Visual Studio Projects/IBM1130.vcproj
index 812971dd..e22be127 100644
--- a/Visual Studio Projects/IBM1130.vcproj	
+++ b/Visual Studio Projects/IBM1130.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="GUI_SUPPORT;WIN32;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/ID16.vcproj b/Visual Studio Projects/ID16.vcproj
index d9657603..b055cc79 100644
--- a/Visual Studio Projects/ID16.vcproj	
+++ b/Visual Studio Projects/ID16.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/ID32.vcproj b/Visual Studio Projects/ID32.vcproj
index 846141b2..d3ab4bc4 100644
--- a/Visual Studio Projects/ID32.vcproj	
+++ b/Visual Studio Projects/ID32.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/MicroVAX1.vcproj b/Visual Studio Projects/MicroVAX1.vcproj
index 61184cff..2e6658e3 100644
--- a/Visual Studio Projects/MicroVAX1.vcproj	
+++ b/Visual Studio Projects/MicroVAX1.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -125,7 +126,6 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
 				OmitFramePointers="true"
-				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="../VAX/;../pdp11/;../../windows-build/PCRE/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.5/include;../../windows-build/libpng-1.6.18"
 				PreprocessorDefinitions="USE_INT64;USE_ADDR64;VM_VAX;VAX_610;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB;USE_READER_THREAD;USE_SIM_VIDEO;HAVE_LIBSDL;SIM_ASYNCH_IO;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_LIBPNG;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG"
 				KeepComments="false"
@@ -159,7 +159,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -246,7 +245,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -255,8 +254,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/MicroVAX2.vcproj b/Visual Studio Projects/MicroVAX2.vcproj
index 8fd2aca2..0ab25580 100644
--- a/Visual Studio Projects/MicroVAX2.vcproj	
+++ b/Visual Studio Projects/MicroVAX2.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -125,7 +126,6 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
 				OmitFramePointers="true"
-				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="../VAX/;../pdp11/;../../windows-build/PCRE/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.5/include;../../windows-build/libpng-1.6.18"
 				PreprocessorDefinitions="USE_INT64;USE_ADDR64;VM_VAX;VAX_630;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB;USE_READER_THREAD;USE_SIM_VIDEO;HAVE_LIBSDL;SIM_ASYNCH_IO;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_LIBPNG;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG"
 				KeepComments="false"
@@ -159,7 +159,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -246,7 +245,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -255,8 +254,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/NOVA.vcproj b/Visual Studio Projects/NOVA.vcproj
index 856015ea..d5b54df9 100644
--- a/Visual Studio Projects/NOVA.vcproj	
+++ b/Visual Studio Projects/NOVA.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDP1.vcproj b/Visual Studio Projects/PDP1.vcproj
index 9489a124..9c81e6e4 100644
--- a/Visual Studio Projects/PDP1.vcproj	
+++ b/Visual Studio Projects/PDP1.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;USE_DISPLAY;DISPLAY_TYPE=DIS_TYPE30;PIX_SCALE=RES_HALF;USE_SIM_VIDEO;HAVE_LIBSDL"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDP10.vcproj b/Visual Studio Projects/PDP10.vcproj
index f2b0c904..17863337 100644
--- a/Visual Studio Projects/PDP10.vcproj	
+++ b/Visual Studio Projects/PDP10.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -127,6 +128,7 @@
 				PreprocessorDefinitions="USE_INT64;VM_PDP10;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;USE_SHARED;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -153,7 +155,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -272,7 +273,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -281,8 +282,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/PDP11.vcproj b/Visual Studio Projects/PDP11.vcproj
index e83ad817..3d5f9223 100644
--- a/Visual Studio Projects/PDP11.vcproj	
+++ b/Visual Studio Projects/PDP11.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -122,11 +123,11 @@
 				Optimization="2"
 				InlineFunctionExpansion="1"
 				OmitFramePointers="true"
-				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="../PDP11/;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.5/include;../../windows-build/libpng-1.6.18"
 				PreprocessorDefinitions="USE_SHARED;USE_DISPLAY;VM_PDP11;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB;SIM_ASYNCH_IO;USE_READER_THREAD;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG;USE_SIM_VIDEO;HAVE_LIBSDL;HAVE_LIBPNG"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -153,7 +154,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -368,7 +368,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -377,8 +377,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/PDP15.vcproj b/Visual Studio Projects/PDP15.vcproj
index 0fc7c4e6..bbef289e 100644
--- a/Visual Studio Projects/PDP15.vcproj	
+++ b/Visual Studio Projects/PDP15.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="PDP15;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDP4.vcproj b/Visual Studio Projects/PDP4.vcproj
index 0b8913f8..2465c757 100644
--- a/Visual Studio Projects/PDP4.vcproj	
+++ b/Visual Studio Projects/PDP4.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="PDP4;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDP7.vcproj b/Visual Studio Projects/PDP7.vcproj
index 14d231eb..47b3d9ad 100644
--- a/Visual Studio Projects/PDP7.vcproj	
+++ b/Visual Studio Projects/PDP7.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="PDP7;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDP8.vcproj b/Visual Studio Projects/PDP8.vcproj
index fe8165c4..370705d2 100644
--- a/Visual Studio Projects/PDP8.vcproj	
+++ b/Visual Studio Projects/PDP8.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDP9.vcproj b/Visual Studio Projects/PDP9.vcproj
index 545d5b00..497919e2 100644
--- a/Visual Studio Projects/PDP9.vcproj	
+++ b/Visual Studio Projects/PDP9.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="PDP9;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/PDQ3.vcproj b/Visual Studio Projects/PDQ3.vcproj
index ca50bc14..580b6498 100644
--- a/Visual Studio Projects/PDQ3.vcproj	
+++ b/Visual Studio Projects/PDQ3.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="USE_SIM_IMD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/Pre-Build-Event.cmd b/Visual Studio Projects/Pre-Build-Event.cmd
index 143f17cf..6df63f4b 100644
--- a/Visual Studio Projects/Pre-Build-Event.cmd	
+++ b/Visual Studio Projects/Pre-Build-Event.cmd	
@@ -91,7 +91,7 @@ if not exist ../../windows-build goto _notice1
 if not exist ../../windows-build/lib goto _notice2
 set _X_WINDOWS_BUILD=
 for /F "usebackq tokens=2" %%i in (`findstr /C:"WINDOWS-BUILD" ..\..\windows-build\Windows-Build_Versions.txt`) do SET _X_WINDOWS_BUILD=%%i
-if "%_X_WINDOWS_BUILD%" LSS "20180716" goto _notice2
+if "%_X_WINDOWS_BUILD%" LSS "20180806" goto _notice2
 set _X_WINDOWS_BUILD=
 if not exist ../../windows-build/lib/VisualCVersionSupport.txt goto _find_vc_support
 
diff --git a/Visual Studio Projects/S3.vcproj b/Visual Studio Projects/S3.vcproj
index f1c3d38b..d0f33bc7 100644
--- a/Visual Studio Projects/S3.vcproj	
+++ b/Visual Studio Projects/S3.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/SAGE.vcproj b/Visual Studio Projects/SAGE.vcproj
index 0f5ac977..74622dfb 100644
--- a/Visual Studio Projects/SAGE.vcproj	
+++ b/Visual Studio Projects/SAGE.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -128,6 +129,7 @@
 				PreprocessorDefinitions="HAVE_INT64;USE_SIM_IMD;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/SDS.vcproj b/Visual Studio Projects/SDS.vcproj
index 792603a5..bc7aed1d 100644
--- a/Visual Studio Projects/SDS.vcproj	
+++ b/Visual Studio Projects/SDS.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/SSEM.vcproj b/Visual Studio Projects/SSEM.vcproj
index 1088cfcd..914b7b49 100644
--- a/Visual Studio Projects/SSEM.vcproj	
+++ b/Visual Studio Projects/SSEM.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/TX-0.vcproj b/Visual Studio Projects/TX-0.vcproj
index 372b7d59..56a2c10c 100644
--- a/Visual Studio Projects/TX-0.vcproj	
+++ b/Visual Studio Projects/TX-0.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -124,6 +125,7 @@
 				PreprocessorDefinitions="NO_INLINE;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;USE_DISPLAY;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;USE_SIM_VIDEO;HAVE_LIBSDL"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/UC15.vcproj b/Visual Studio Projects/UC15.vcproj
index 2bf1d10b..c11aa827 100644
--- a/Visual Studio Projects/UC15.vcproj	
+++ b/Visual Studio Projects/UC15.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -125,6 +126,7 @@
 				PreprocessorDefinitions="VM_PDP11;UC15;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/VAX.vcproj b/Visual Studio Projects/VAX.vcproj
index 45a6b9d7..f06f009b 100644
--- a/Visual Studio Projects/VAX.vcproj	
+++ b/Visual Studio Projects/VAX.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -127,7 +128,6 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="1"
 				OmitFramePointers="true"
-				WholeProgramOptimization="false"
 				AdditionalIncludeDirectories="../VAX/;../pdp11/;../../windows-build/PCRE/include;./;../;../slirp;../slirp_glue;../slirp_glue/qemu;../slirp_glue/qemu/win32/include;../../windows-build/winpcap/Wpdpack/Include;../../windows-build/PCRE/include/;../../windows-build/pthreads;../../windows-build/libSDL/SDL2-2.0.5/include;../../windows-build/libpng-1.6.18"
 				PreprocessorDefinitions="USE_INT64;USE_ADDR64;VM_VAX;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB;USE_READER_THREAD;USE_SIM_VIDEO;HAVE_LIBSDL;SIM_ASYNCH_IO;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_LIBPNG;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG"
 				KeepComments="false"
@@ -161,7 +161,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -250,7 +249,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -259,8 +258,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/VAX730.vcproj b/Visual Studio Projects/VAX730.vcproj
index 87da3d8e..0192bbdf 100644
--- a/Visual Studio Projects/VAX730.vcproj	
+++ b/Visual Studio Projects/VAX730.vcproj	
@@ -21,7 +21,7 @@
 			OutputDirectory="..\BIN\NT\$(PlatformName)-$(ConfigurationName)"
 			IntermediateDirectory="..\BIN\NT\Project\simh\$(ProjectName)\$(PlatformName)-$(ConfigurationName)"
 			ConfigurationType="1"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -101,7 +102,7 @@
 			OutputDirectory="..\BIN\NT\$(PlatformName)-$(ConfigurationName)"
 			IntermediateDirectory="..\BIN\NT\Project\simh\$(ProjectName)\$(PlatformName)-$(ConfigurationName)"
 			ConfigurationType="1"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -129,6 +130,7 @@
 				PreprocessorDefinitions="USE_INT64;USE_ADDR64;VM_VAX;VAX_730;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -156,7 +158,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -263,7 +264,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -272,8 +273,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/VAX750.vcproj b/Visual Studio Projects/VAX750.vcproj
index 8b2c923e..3e292e84 100644
--- a/Visual Studio Projects/VAX750.vcproj	
+++ b/Visual Studio Projects/VAX750.vcproj	
@@ -21,7 +21,7 @@
 			OutputDirectory="..\BIN\NT\$(PlatformName)-$(ConfigurationName)"
 			IntermediateDirectory="..\BIN\NT\Project\simh\$(ProjectName)\$(PlatformName)-$(ConfigurationName)"
 			ConfigurationType="1"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -101,7 +102,7 @@
 			OutputDirectory="..\BIN\NT\$(PlatformName)-$(ConfigurationName)"
 			IntermediateDirectory="..\BIN\NT\Project\simh\$(ProjectName)\$(PlatformName)-$(ConfigurationName)"
 			ConfigurationType="1"
-			CharacterSet="2"
+			CharacterSet="0"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -129,6 +130,7 @@
 				PreprocessorDefinitions="USE_INT64;USE_ADDR64;VM_VAX;VAX_750;USE_SHARED;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;PTW32_STATIC_LIB;USE_READER_THREAD;SIM_ASYNCH_IO;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC;HAVE_SLIRP_NETWORK;USE_SIMH_SLIRP_DEBUG"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -156,7 +158,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -271,7 +272,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -280,8 +281,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/VAX780.vcproj b/Visual Studio Projects/VAX780.vcproj
index fee352e3..88432bb6 100644
--- a/Visual Studio Projects/VAX780.vcproj	
+++ b/Visual Studio Projects/VAX780.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -157,7 +158,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -276,7 +276,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -285,8 +285,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/VAX8600.vcproj b/Visual Studio Projects/VAX8600.vcproj
index ce700af4..2e055fae 100644
--- a/Visual Studio Projects/VAX8600.vcproj	
+++ b/Visual Studio Projects/VAX8600.vcproj	
@@ -45,6 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -157,7 +158,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -276,7 +276,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -285,8 +285,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/alpha.vcproj b/Visual Studio Projects/alpha.vcproj
index ae0aa006..d23febc4 100644
--- a/Visual Studio Projects/alpha.vcproj	
+++ b/Visual Studio Projects/alpha.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="USE_INT64;USE_ADDR64;_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/ibmpc.vcproj b/Visual Studio Projects/ibmpc.vcproj
index 6936467f..0bb447a7 100644
--- a/Visual Studio Projects/ibmpc.vcproj	
+++ b/Visual Studio Projects/ibmpc.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/ibmpcxt.vcproj b/Visual Studio Projects/ibmpcxt.vcproj
index 90ff346a..2c65779a 100644
--- a/Visual Studio Projects/ibmpcxt.vcproj	
+++ b/Visual Studio Projects/ibmpcxt.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/imds-225.vcproj b/Visual Studio Projects/imds-225.vcproj
index 3578eeac..6ede22dc 100644
--- a/Visual Studio Projects/imds-225.vcproj	
+++ b/Visual Studio Projects/imds-225.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/isys8010.vcproj b/Visual Studio Projects/isys8010.vcproj
index 16c8d172..1b097b5f 100644
--- a/Visual Studio Projects/isys8010.vcproj	
+++ b/Visual Studio Projects/isys8010.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/isys8020.vcproj b/Visual Studio Projects/isys8020.vcproj
index 7079d7a2..418f093d 100644
--- a/Visual Studio Projects/isys8020.vcproj	
+++ b/Visual Studio Projects/isys8020.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/isys8024.vcproj b/Visual Studio Projects/isys8024.vcproj
index 8776e3ee..bab7a33c 100644
--- a/Visual Studio Projects/isys8024.vcproj	
+++ b/Visual Studio Projects/isys8024.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/isys8030.vcproj b/Visual Studio Projects/isys8030.vcproj
index 356e51dd..9e7afe05 100644
--- a/Visual Studio Projects/isys8030.vcproj	
+++ b/Visual Studio Projects/isys8030.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/lgp.vcproj b/Visual Studio Projects/lgp.vcproj
index cd941801..55beb584 100644
--- a/Visual Studio Projects/lgp.vcproj	
+++ b/Visual Studio Projects/lgp.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/rtVAX1000.vcproj b/Visual Studio Projects/rtVAX1000.vcproj
index d75b37bc..2893cb5b 100644
--- a/Visual Studio Projects/rtVAX1000.vcproj	
+++ b/Visual Studio Projects/rtVAX1000.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -159,7 +160,6 @@
 				StackCommitSize="10485760"
 				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
-				LinkTimeCodeGeneration="1"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
 				TargetMachine="1"
@@ -246,7 +246,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
@@ -255,8 +255,7 @@
 					>
 					<Tool
 						Name="VCCLCompilerTool"
-						WholeProgramOptimization="false"
-						PreprocessorDefinitions="HAVE_PTW32_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
+						PreprocessorDefinitions="HAVE_CONFIG_H;PTW32_BUILD_INLINED;PTW32_STATIC_LIB;__CLEANUP_C;$(NOINHERIT)"
 						CompileAs="1"
 					/>
 				</FileConfiguration>
diff --git a/Visual Studio Projects/scelbi.vcproj b/Visual Studio Projects/scelbi.vcproj
index 2db1ac56..7ea0d850 100644
--- a/Visual Studio Projects/scelbi.vcproj	
+++ b/Visual Studio Projects/scelbi.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/sigma.vcproj b/Visual Studio Projects/sigma.vcproj
index ef7fba3a..16362485 100644
--- a/Visual Studio Projects/sigma.vcproj	
+++ b/Visual Studio Projects/sigma.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/swtp6800mp-a.vcproj b/Visual Studio Projects/swtp6800mp-a.vcproj
index 94a54137..9c83d345 100644
--- a/Visual Studio Projects/swtp6800mp-a.vcproj	
+++ b/Visual Studio Projects/swtp6800mp-a.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/Visual Studio Projects/swtp6800mp-a2.vcproj b/Visual Studio Projects/swtp6800mp-a2.vcproj
index 9003c11f..8a8c605e 100644
--- a/Visual Studio Projects/swtp6800mp-a2.vcproj	
+++ b/Visual Studio Projects/swtp6800mp-a2.vcproj	
@@ -46,6 +46,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="0"
 				RuntimeLibrary="1"
+				BufferSecurityCheck="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
 				DebugInformationFormat="3"
@@ -126,6 +127,7 @@
 				PreprocessorDefinitions="_CRT_NONSTDC_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;SIM_NEED_GIT_COMMIT_ID;HAVE_PCREPOSIX_H;PCRE_STATIC"
 				StringPooling="true"
 				RuntimeLibrary="0"
+				BufferSecurityCheck="false"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"