diff --git a/build/win32/vs10/glib-compile-resources.vcxproj b/build/win32/vs10/glib-compile-resources.vcxproj
index 8f1707165..ed2d42033 100644
--- a/build/win32/vs10/glib-compile-resources.vcxproj
+++ b/build/win32/vs10/glib-compile-resources.vcxproj
@@ -26,13 +26,13 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
diff --git a/build/win32/vs10/glib-compile-schemas.vcxproj b/build/win32/vs10/glib-compile-schemas.vcxproj
index 318de4924..8f49833fc 100644
--- a/build/win32/vs10/glib-compile-schemas.vcxproj
+++ b/build/win32/vs10/glib-compile-schemas.vcxproj
@@ -26,13 +26,13 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
diff --git a/build/win32/vs10/glib-genmarshal.vcxproj b/build/win32/vs10/glib-genmarshal.vcxproj
index 1fb0ce9a8..e6c5b5760 100644
--- a/build/win32/vs10/glib-genmarshal.vcxproj
+++ b/build/win32/vs10/glib-genmarshal.vcxproj
@@ -26,7 +26,7 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
@@ -37,7 +37,7 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
diff --git a/build/win32/vs10/gresource.vcxproj b/build/win32/vs10/gresource.vcxproj
index 364548c8b..4e18294fd 100644
--- a/build/win32/vs10/gresource.vcxproj
+++ b/build/win32/vs10/gresource.vcxproj
@@ -26,13 +26,13 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
diff --git a/build/win32/vs10/gsettings.vcxproj b/build/win32/vs10/gsettings.vcxproj
index 0c9c94f5e..f0599833e 100644
--- a/build/win32/vs10/gsettings.vcxproj
+++ b/build/win32/vs10/gsettings.vcxproj
@@ -26,13 +26,13 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
+    <CharacterSet>MultiByte</CharacterSet>
     <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
diff --git a/build/win32/vs9/glib-compile-resources.vcproj b/build/win32/vs9/glib-compile-resources.vcproj
index 0030edd29..26e83b113 100644
--- a/build/win32/vs9/glib-compile-resources.vcproj
+++ b/build/win32/vs9/glib-compile-resources.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -81,7 +81,7 @@
 			Name="Release|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			WholeProgramOptimization="1"
 			>
 			<Tool
diff --git a/build/win32/vs9/glib-compile-schemas.vcproj b/build/win32/vs9/glib-compile-schemas.vcproj
index d96a743b4..08b4b3eda 100644
--- a/build/win32/vs9/glib-compile-schemas.vcproj
+++ b/build/win32/vs9/glib-compile-schemas.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -81,7 +81,7 @@
 			Name="Release|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			WholeProgramOptimization="1"
 			>
 			<Tool
diff --git a/build/win32/vs9/glib-genmarshal.vcproj b/build/win32/vs9/glib-genmarshal.vcproj
index 95787ea9a..0ce4c3940 100644
--- a/build/win32/vs9/glib-genmarshal.vcproj
+++ b/build/win32/vs9/glib-genmarshal.vcproj
@@ -51,7 +51,7 @@
 			Name="Release|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			WholeProgramOptimization="1"
 			>
 			<Tool
@@ -107,7 +107,7 @@
 			Name="Release|x64"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			WholeProgramOptimization="1"
 			>
 			<Tool
diff --git a/build/win32/vs9/gresource.vcproj b/build/win32/vs9/gresource.vcproj
index dbe83e53f..31238f575 100644
--- a/build/win32/vs9/gresource.vcproj
+++ b/build/win32/vs9/gresource.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -81,7 +81,7 @@
 			Name="Release|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			WholeProgramOptimization="1"
 			>
 			<Tool
diff --git a/build/win32/vs9/gsettings.vcproj b/build/win32/vs9/gsettings.vcproj
index 3fc3bb24d..34f58ce4d 100644
--- a/build/win32/vs9/gsettings.vcproj
+++ b/build/win32/vs9/gsettings.vcproj
@@ -23,7 +23,7 @@
 			Name="Debug|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
@@ -81,7 +81,7 @@
 			Name="Release|Win32"
 			InheritedPropertySheets=".\glib.vsprops"
 			ConfigurationType="1"
-			CharacterSet="1"
+			CharacterSet="2"
 			WholeProgramOptimization="1"
 			>
 			<Tool