diff --git a/src/WindowsInstaller/BuildInstaller.bat b/src/WindowsInstaller/BuildInstaller.bat
index 2ca4e2475..04fc554c7 100644
--- a/src/WindowsInstaller/BuildInstaller.bat
+++ b/src/WindowsInstaller/BuildInstaller.bat
@@ -24,7 +24,7 @@ SET /P M=Reebuild and press enter
 
 rem making of the bin zip file
 
-c:\Programme\7-Zip\7z.exe a -t7z FreeCAD.7z "-xr!*.idb" "-xr!*.pdb" "-xr!*.ilk" "-xr!*.pyc" "-xr!?.git\*" "-xr!*.am" "-xr!CMakeFiles" "..\..\bin" "..\..\Mod" "..\..\Doc" "..\..\data"
+"%PROGRAMFILES%\7-Zip\7z.exe" a -t7z FreeCAD.7z "-xr!*.idb" "-xr!*.pdb" "-xr!*.ilk" "-xr!*.pyc" "-xr!?.git\*" "-xr!*.am" "-xr!CMakeFiles" "..\..\bin" "..\..\Mod" "..\..\Doc" "..\..\data"
 
 call CopyRelease.bat
 
diff --git a/src/WindowsInstaller/LibPack.wxs b/src/WindowsInstaller/LibPack.wxs
index d49cc4ca6..007f69a33 100644
--- a/src/WindowsInstaller/LibPack.wxs
+++ b/src/WindowsInstaller/LibPack.wxs
@@ -59,16 +59,16 @@
 				<File Id="LibPack9" Name="boost_wserialization-vc90-mt-1_41.dll"  />
 				<File Id="LibPack11" Name="boost_system-vc90-mt-1_41.dll"  />
 				<?else ?>
-				<File Id="LibPack1" Name="boost_date_time-vc90-mt-1_39.dll" />
-				<File Id="LibPack2" Name="boost_filesystem-vc90-mt-1_39.dll" />
-				<File Id="LibPack3" Name="boost_iostreams-vc90-mt-1_39.dll" />
-				<File Id="LibPack4" Name="boost_program_options-vc90-mt-1_39.dll" />
-				<File Id="LibPack5" Name="boost_regex-vc90-mt-1_39.dll"  />
-				<File Id="LibPack6" Name="boost_serialization-vc90-mt-1_39.dll"  />
-				<File Id="LibPack7" Name="boost_signals-vc90-mt-1_39.dll"  />
-				<File Id="LibPack8" Name="boost_thread-vc90-mt-1_39.dll" />
-				<File Id="LibPack9" Name="boost_wserialization-vc90-mt-1_39.dll"  />
-				<File Id="LibPack11" Name="boost_system-vc90-mt-1_39.dll"  />
+				<File Id="LibPack1" Name="boost_date_time-vc90-mt-1_48.dll" />
+				<File Id="LibPack2" Name="boost_filesystem-vc90-mt-1_48.dll" />
+				<File Id="LibPack3" Name="boost_iostreams-vc90-mt-1_48.dll" />
+				<File Id="LibPack4" Name="boost_program_options-vc90-mt-1_48.dll" />
+				<File Id="LibPack5" Name="boost_regex-vc90-mt-1_48.dll"  />
+				<File Id="LibPack6" Name="boost_serialization-vc90-mt-1_48.dll"  />
+				<File Id="LibPack7" Name="boost_signals-vc90-mt-1_48.dll"  />
+				<File Id="LibPack8" Name="boost_thread-vc90-mt-1_48.dll" />
+				<File Id="LibPack9" Name="boost_wserialization-vc90-mt-1_48.dll"  />
+				<File Id="LibPack11" Name="boost_system-vc90-mt-1_48.dll"  />
 				<?endif ?>
 				<File Id="LibPack10" Name="sip.pyd"  />
                 <File Id="LibPack15" Name="pyexpat.pyd"  />