diff --git a/win32/libpng/libpng.vcxproj b/win32/libpng/libpng.vcxproj
index 963a3565..78e315cb 100644
--- a/win32/libpng/libpng.vcxproj
+++ b/win32/libpng/libpng.vcxproj
@@ -186,7 +186,7 @@
       <PrecompiledHeader>Create</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(ProjectDir)src;$(ProjectDir)..\zlib\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PrecompiledHeaderFile>pngpriv.h</PrecompiledHeaderFile>
       <CompileAs>Default</CompileAs>
@@ -216,7 +216,7 @@ COPY "$(ProjectDir)src\scripts\pnglibconf.h.prebuilt" "$(ProjectDir)src\pnglibco
       <PrecompiledHeader>Create</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(ProjectDir)src;$(ProjectDir)..\zlib\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PrecompiledHeaderFile>pngpriv.h</PrecompiledHeaderFile>
       <CompileAs>Default</CompileAs>
@@ -249,7 +249,7 @@ COPY "$(ProjectDir)src\scripts\pnglibconf.h.prebuilt" "$(ProjectDir)src\pnglibco
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(ProjectDir)src;$(ProjectDir)..\zlib\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PrecompiledHeaderFile>pngpriv.h</PrecompiledHeaderFile>
       <CompileAs>Default</CompileAs>
@@ -283,7 +283,7 @@ COPY "$(ProjectDir)src\scripts\pnglibconf.h.prebuilt" "$(ProjectDir)src\pnglibco
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(ProjectDir)src;$(ProjectDir)..\zlib\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PrecompiledHeaderFile>pngpriv.h</PrecompiledHeaderFile>
       <CompileAs>Default</CompileAs>
diff --git a/win32/wsnes9x.cpp b/win32/wsnes9x.cpp
index eccf672a..f20618f8 100644
--- a/win32/wsnes9x.cpp
+++ b/win32/wsnes9x.cpp
@@ -21,7 +21,9 @@
 #define _WIN32_WINNT 0x0501
 #endif
 
+#pragma warning(disable: 4091)
 #include <shlobj.h>
+#pragma warning(default: 4091)
 #include <objidl.h>
 #include <shlwapi.h>
 #include <Shobjidl.h>