diff --git a/Wxwin.dsp b/Wxwin.dsp
index d37ff3eff7..0d5459ae69 100644
--- a/Wxwin.dsp
+++ b/Wxwin.dsp
@@ -264,9 +264,11 @@ SOURCE=.\src\msw\curico.cpp
 
 !IF  "$(CFG)" == "wxWin - Win32 Release"
 
+# ADD CPP /YX
+
 !ELSEIF  "$(CFG)" == "wxWin - Win32 Debug"
 
-# ADD CPP /D "STRICT"
+# ADD CPP /D "STRICT" /YX
 
 !ENDIF 
 
@@ -394,9 +396,11 @@ SOURCE=.\src\msw\dib.cpp
 
 !IF  "$(CFG)" == "wxWin - Win32 Release"
 
+# ADD CPP /YX
+
 !ELSEIF  "$(CFG)" == "wxWin - Win32 Debug"
 
-# ADD CPP /D "STRICT"
+# ADD CPP /D "STRICT" /YX
 
 !ENDIF 
 
@@ -433,11 +437,11 @@ SOURCE=.\src\msw\dummy.cpp
 
 !IF  "$(CFG)" == "wxWin - Win32 Release"
 
-# ADD CPP /Yc""
+# ADD CPP /YX
 
 !ELSEIF  "$(CFG)" == "wxWin - Win32 Debug"
 
-# ADD CPP /D "STRICT" /Yc""
+# ADD CPP /D "STRICT" /YX
 
 !ENDIF 
 
diff --git a/src/msw/thread.cpp b/src/msw/thread.cpp
index f133213341..176d1e4cc1 100644
--- a/src/msw/thread.cpp
+++ b/src/msw/thread.cpp
@@ -13,6 +13,8 @@
 #pragma implementation "thread.h"
 #endif
 
+// this is here to regen the precompiled header in the ide compile otherwise the
+// compiler crashes in vc5 (nfi why)
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"