diff --git a/Visual Studio Projects/0ReadMe_Projects.txt b/Visual Studio Projects/0ReadMe_Projects.txt
index fa304799..19baa7c6 100644
--- a/Visual Studio Projects/0ReadMe_Projects.txt	
+++ b/Visual Studio Projects/0ReadMe_Projects.txt	
@@ -1,4 +1,11 @@
-This dirctory contains a set of Visual Studio 2008 build projects for the current simh code base.  When used (with Visual Studio Express 2008 or Visual Studio Express 2010) it populates a directory tree under the BIN directory of the Simh distribution for temporary build files and produces resulting executables in the BIN/NT/Win32-Debug or BIN/NT/Win32-Release directories (depending on whether you target a Debug or Release build).  It expects that a winpcap developer pack zip file is expanded in a directory parallel to the simh directory.  
+This dirctory contains a set of Visual Studio 2008 build projects for the 
+current simh code base.  When used (with Visual Studio Express 2008 or 
+Visual Studio Express 2010) it populates a directory tree under the BIN 
+directory of the Simh distribution for temporary build files and produces 
+resulting executables in the BIN/NT/Win32-Debug or BIN/NT/Win32-Release 
+directories (depending on whether you target a Debug or Release build).  
+It expects that a winpcap developer pack zip file is expanded in a directory 
+parallel to the simh directory.  
 
 For Example, the directory structure should look like:
 
@@ -13,8 +20,10 @@ For Example, the directory structure should look like:
 The winpcap developer pack can be found at:
        http://www.winpcap.org/devel.htm
 
+The latest version of the WinPcap developer's pack is Version 4.1.2
 
-Some features can be enabled if the pthreads API is available and contained also in a parallel place in the directory structure.
+Some features can be enabled if the pthreads API is available and contained 
+also in a parallel place in the directory structure.
 
 
     .../simh/pthreads/Pre-built.2/include/include/pthreads.h
@@ -24,10 +33,18 @@ To install pthreads API, create the directory:
 
     .../simh/pthreads/
 
-download the file: ftp://sourceware.org/pub/pthreads-win32/pthreads-w32-2-8-0-release.exe
+download the file: 
+    ftp://sourceware.org/pub/pthreads-win32/pthreads-w32-2-8-0-release.exe
 to that directory and execute it.  Click on the Extract button.
-Once installed, When running a simulator with pthreads support enabled, you will need a copy of the DLL file (simh\pthreads\Pre-built.2\lib\pthreadVC2.dll) to exist in either the %windir%\System32 directory or your working directory while running a simh simulator.  The default working directory for included project files is the "Visual Studio Projects" directory.
+Once installed, When running a simulator with pthreads support enabled, you 
+will need a copy of the DLL file (simh\pthreads\Pre-built.2\lib\pthreadVC2.dll)
+to exist in either the %windir%\System32 directory (or %windir%\SysWOW64 on 
+x64 Windows environments) or your working directory while running a simh 
+simulator.  The default working directory for included project files is the 
+"Visual Studio Projects" directory.
 
 
-Only network devices are capable of using pthreads to enhance their performance.  Build the desire simulator with USE_READER_THREAD defined.  The relevant simulators which have network support are VAX, VAX780, PDP11 and PDP10.
+Only network devices are capable of using pthreads to enhance their 
+performance.  Build the desire simulator with USE_READER_THREAD defined.  The 
+relevant simulators which have network support are VAX, VAX780 and PDP11.
 
diff --git a/sim_ether.c b/sim_ether.c
index 08abbad9..741bb917 100644
--- a/sim_ether.c
+++ b/sim_ether.c
@@ -849,7 +849,7 @@ static char* no_pcap =
 
 /* define pointers to pcap functions needed */
 static void    (*p_pcap_close) (pcap_t *);
-static int     (*p_pcap_compile) (pcap_t *, struct bpf_program *, char *, int, bpf_u_int32);
+static int     (*p_pcap_compile) (pcap_t *, struct bpf_program *, const char *, int, bpf_u_int32);
 static int     (*p_pcap_datalink) (pcap_t *);
 static int     (*p_pcap_dispatch) (pcap_t *, int, pcap_handler, u_char *);
 static int     (*p_pcap_findalldevs) (pcap_if_t **, char *);
@@ -861,8 +861,8 @@ static pcap_t* (*p_pcap_open_live) (const char *, int, int, int, char *);
 #ifdef _WIN32
 static int     (*p_pcap_setmintocopy) (pcap_t* handle, int);
 static HANDLE  (*p_pcap_getevent) (pcap_t *);
-#else
-static int     (*p_pcap_get_selectable_fd) (pcap_t *);
+#else
+static int     (*p_pcap_get_selectable_fd) (pcap_t *);
 #endif
 static int     (*p_pcap_sendpacket) (pcap_t* handle, const u_char* msg, int len);
 static int     (*p_pcap_setfilter) (pcap_t *, struct bpf_program *);
@@ -905,10 +905,10 @@ int load_pcap(void) {
 #endif
 
         printf (msg, lib_name);
-        printf (msg2);
+        printf ("%s", msg2);
         if (sim_log) {
           fprintf (sim_log, msg, lib_name);
-          fprintf (sim_log, msg2);
+          fprintf (sim_log, "%s", msg2);
         }
         lib_loaded = 2;
         break;
@@ -959,7 +959,7 @@ void pcap_close(pcap_t* a) {
   }
 }
 
-int pcap_compile(pcap_t* a, struct bpf_program* b, char* c, int d, bpf_u_int32 e) {
+int pcap_compile(pcap_t* a, struct bpf_program* b, const char* c, int d, bpf_u_int32 e) {
   if (load_pcap() != 0) {
     return p_pcap_compile(a, b, c, d, e);
   } else {
@@ -1047,13 +1047,13 @@ HANDLE pcap_getevent(pcap_t* a) {
 }
 
 #else
-int pcap_get_selectable_fd(pcap_t* a) {
+int pcap_get_selectable_fd(pcap_t* a) {
   if (load_pcap() != 0) {
     return p_pcap_get_selectable_fd(a);
   } else {
     return 0;
   }
-}
+}
 #endif
 
 int pcap_sendpacket(pcap_t* a, const u_char* b, int c) {