diff --git a/src/3rdparty/3rdparty.vcxproj b/src/3rdparty/3rdparty.vcxproj
index bfc5acdd7..e7fd02d90 100755
--- a/src/3rdparty/3rdparty.vcxproj
+++ b/src/3rdparty/3rdparty.vcxproj
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-    <WholeProgramOptimization>PGOptimize</WholeProgramOptimization>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/src/contrib/cddadecoder/cddadecoder.vcxproj b/src/contrib/cddadecoder/cddadecoder.vcxproj
index 82587b202..e966db66d 100755
--- a/src/contrib/cddadecoder/cddadecoder.vcxproj
+++ b/src/contrib/cddadecoder/cddadecoder.vcxproj
@@ -20,7 +20,7 @@
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-    <WholeProgramOptimization>PGOptimize</WholeProgramOptimization>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/src/contrib/directsoundout/directsoundout.vcxproj b/src/contrib/directsoundout/directsoundout.vcxproj
index 1223b9e20..126037a0d 100644
--- a/src/contrib/directsoundout/directsoundout.vcxproj
+++ b/src/contrib/directsoundout/directsoundout.vcxproj
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diff --git a/src/contrib/flacdecoder/flacdecoder.vcxproj b/src/contrib/flacdecoder/flacdecoder.vcxproj
index 5afeb9f8c..65980b501 100755
--- a/src/contrib/flacdecoder/flacdecoder.vcxproj
+++ b/src/contrib/flacdecoder/flacdecoder.vcxproj
@@ -21,7 +21,7 @@
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diff --git a/src/contrib/m4adecoder/m4adecoder.vcxproj b/src/contrib/m4adecoder/m4adecoder.vcxproj
index 57c113570..d5955b578 100755
--- a/src/contrib/m4adecoder/m4adecoder.vcxproj
+++ b/src/contrib/m4adecoder/m4adecoder.vcxproj
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diff --git a/src/contrib/nomaddecoder/nomaddecoder.vcxproj b/src/contrib/nomaddecoder/nomaddecoder.vcxproj
index 780be2890..53bb04a57 100644
--- a/src/contrib/nomaddecoder/nomaddecoder.vcxproj
+++ b/src/contrib/nomaddecoder/nomaddecoder.vcxproj
@@ -21,7 +21,7 @@
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diff --git a/src/contrib/nullout/nullout.vcxproj b/src/contrib/nullout/nullout.vcxproj
index 814b454f8..d64946884 100644
--- a/src/contrib/nullout/nullout.vcxproj
+++ b/src/contrib/nullout/nullout.vcxproj
@@ -20,7 +20,7 @@
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diff --git a/src/contrib/oggdecoder/oggdecoder.vcxproj b/src/contrib/oggdecoder/oggdecoder.vcxproj
index e0e7854ce..22b6f9565 100755
--- a/src/contrib/oggdecoder/oggdecoder.vcxproj
+++ b/src/contrib/oggdecoder/oggdecoder.vcxproj
@@ -20,7 +20,7 @@
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diff --git a/src/contrib/taglib_plugin/taglib_plugin.vcxproj b/src/contrib/taglib_plugin/taglib_plugin.vcxproj
index f2bd8bf36..d30011264 100755
--- a/src/contrib/taglib_plugin/taglib_plugin.vcxproj
+++ b/src/contrib/taglib_plugin/taglib_plugin.vcxproj
@@ -20,7 +20,7 @@
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     <CharacterSet>MultiByte</CharacterSet>
-    <WholeProgramOptimization>PGOptimize</WholeProgramOptimization>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/src/contrib/wasapiout/wasapiout.vcxproj b/src/contrib/wasapiout/wasapiout.vcxproj
index 32673ef9a..f7b9e05e3 100644
--- a/src/contrib/wasapiout/wasapiout.vcxproj
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@@ -20,7 +20,7 @@
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-    <WholeProgramOptimization>PGOptimize</WholeProgramOptimization>
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diff --git a/src/contrib/waveout/waveout.vcxproj b/src/contrib/waveout/waveout.vcxproj
index bd444cf89..4b3ce740a 100755
--- a/src/contrib/waveout/waveout.vcxproj
+++ b/src/contrib/waveout/waveout.vcxproj
@@ -20,7 +20,7 @@
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diff --git a/src/contrib/websocket_remote/websocket_remote.vcxproj b/src/contrib/websocket_remote/websocket_remote.vcxproj
index adf720d8e..7dd664e7f 100644
--- a/src/contrib/websocket_remote/websocket_remote.vcxproj
+++ b/src/contrib/websocket_remote/websocket_remote.vcxproj
@@ -34,7 +34,7 @@
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/src/contrib/win32gdivis/GdiVis-musikcube.vcxproj b/src/contrib/win32gdivis/GdiVis-musikcube.vcxproj
index 8cb007631..8551286dc 100644
--- a/src/contrib/win32gdivis/GdiVis-musikcube.vcxproj
+++ b/src/contrib/win32gdivis/GdiVis-musikcube.vcxproj
@@ -37,7 +37,7 @@
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     <CharacterSet>Unicode</CharacterSet>
-    <WholeProgramOptimization>PGOptimize</WholeProgramOptimization>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/src/contrib/win32globalhotkeys/win32globalhotkeys.vcxproj b/src/contrib/win32globalhotkeys/win32globalhotkeys.vcxproj
index ccdd81e92..68950996b 100644
--- a/src/contrib/win32globalhotkeys/win32globalhotkeys.vcxproj
+++ b/src/contrib/win32globalhotkeys/win32globalhotkeys.vcxproj
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diff --git a/src/core/core.vcxproj b/src/core/core.vcxproj
index e1172e579..2d0b0e8db 100755
--- a/src/core/core.vcxproj
+++ b/src/core/core.vcxproj
@@ -19,7 +19,7 @@
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-    <WholeProgramOptimization>PGOptimize</WholeProgramOptimization>
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diff --git a/src/glue/glue.vcxproj b/src/glue/glue.vcxproj
index 33290076c..fa46e7ad9 100644
--- a/src/glue/glue.vcxproj
+++ b/src/glue/glue.vcxproj
@@ -19,7 +19,7 @@
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
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diff --git a/src/musikbox/musikbox.vcxproj b/src/musikbox/musikbox.vcxproj
index 975f03d3c..b0b3f1b9d 100755
--- a/src/musikbox/musikbox.vcxproj
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@@ -21,7 +21,7 @@
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diff --git a/src/musikwin/musikwin.vcxproj b/src/musikwin/musikwin.vcxproj
index 42e41effa..cde329158 100644
--- a/src/musikwin/musikwin.vcxproj
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