diff --git a/Sankore 3.1.iss b/Sankore 3.1.iss
index c93a94e8..195ce228 100644
--- a/Sankore 3.1.iss	
+++ b/Sankore 3.1.iss	
@@ -18,7 +18,7 @@ DefaultDirName={pf}\Sankore 3.1
 DefaultGroupName=Sankore 3.1
 
 OutputDir=.\install\win32\
-OutputBaseFilename=Sankore 3.1 setup
+OutputBaseFilename=Sankore 3.1
 SetupIconFile=.\resources\win\uniboard.ico
 Compression=lzma
 SolidCompression=yes
@@ -46,22 +46,22 @@ Type: files ; Name: "{app}\*.dll"
 [Files]
 Source: "..\Sankore-ThirdParty\microsoft\vcredist_x86.exe"; DestDir:"{tmp}"
 Source: ".\build\win32\release\product\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
-Source: ".\runtime\windows\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs;
+;Source: ".\runtime\windows\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs;
 
 ;Source: ".\resources\win\plugins\*"; DestDir: "{app}"; Flags: recursesubdirs createallsubdirs
 ;Qt base dll
-Source: "..Qt-sankore3.1\lib\QtScript4.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\QtGui4.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\QtXml4.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\QtCore4.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\QtWebKit4.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\phonon.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\QtNetwork4.dll"; DestDir: "{app}"; Flags: ignoreversion
-Source: "..Qt-sankore3.1\lib\QtSvg4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtScript4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtGui4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtXml4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtCore4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtWebKit4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\phonon4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtNetwork4.dll"; DestDir: "{app}"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\lib\QtSvg4.dll"; DestDir: "{app}"; Flags: ignoreversion
 
 ;Qt plugins
-Source: "..\Qt-sankore3.1\plugins\imageformats\qjpeg4.dll"; DestDir: "{app}\plugins\imageformats"; Flags: ignoreversion
-Source: "..\Qt-sankore3.1\plugins\imageformats\qsvg4.dll"; DestDir: "{app}\plugins\imageformats"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\plugins\imageformats\qjpeg4.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
+Source: "..\Qt-sankore3.1\plugins\imageformats\qsvg4.dll"; DestDir: "{app}\imageformats"; Flags: ignoreversion
 ; NOTE: Don't use "Flags: ignoreversion" on any shared system files
 
 [Icons]
diff --git a/release.vc9.bat b/release.vc9.bat
index fbf027c9..85bd8cf7 100644
--- a/release.vc9.bat
+++ b/release.vc9.bat
@@ -10,6 +10,11 @@ set PATH=%QT_BIN%;%PATH%;%WIN_SDK_BIN%
 
 call %VS_BIN%\vcvars32.bat
 
+REM this checks if the custom qt directory path
+REM is correct. This is important because installer
+REM pick up dll from this directory
+IF NOT EXIST "..\Qt-sankore3.1\lib\QtCore4.dll" GOTO EXIT_WITH_ERROR
+
 rmdir /S /Q %BUILD_DIR%
 
 set EDITION=MNEMIS_EDITION
@@ -29,7 +34,6 @@ echo %LAST_TAG_VERSION%
 
 if not v%VERSION%==%LAST_TAG_VERSION% GOTO EXIT_WITH_ERROR
 
-
 nmake release-install
 
 del .\build\win32\release\product\Sankore 3.1.pdb
@@ -41,5 +45,4 @@ set INSTALLER_PATH=.\install\win32\%INSTALLER_NAME%.exe
 call %INNO_EXE% "Sankore 3.1.iss" /F"%INSTALLER_NAME%"
 
 :EXIT_WITH_ERROR
-	echo version %VERSION%
-	echo last tag version %LAST_TAG_VERSION%
+	echo ERROR
diff --git a/resources/win/plugins/imageformats/qjpeg4.dll b/resources/win/plugins/imageformats/qjpeg4.dll
deleted file mode 100644
index a94486d6..00000000
Binary files a/resources/win/plugins/imageformats/qjpeg4.dll and /dev/null differ
diff --git a/resources/win/plugins/imageformats/qsvg4.dll b/resources/win/plugins/imageformats/qsvg4.dll
deleted file mode 100644
index 3904148c..00000000
Binary files a/resources/win/plugins/imageformats/qsvg4.dll and /dev/null differ
diff --git a/runtime/windows/Microsoft.VC90.CRT/Microsoft.VC90.CRT.manifest b/runtime/windows/Microsoft.VC90.CRT/Microsoft.VC90.CRT.manifest
deleted file mode 100644
index a0b2152d..00000000
--- a/runtime/windows/Microsoft.VC90.CRT/Microsoft.VC90.CRT.manifest
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
-    <noInheritable></noInheritable>
-    <assemblyIdentity type="win32" name="Microsoft.VC90.CRT" version="9.0.21022.8" processorArchitecture="x86" publicKeyToken="1fc8b3b9a1e18e3b"></assemblyIdentity>
-    <file name="msvcr90.dll" hashalg="SHA1" hash="9785b1c493deb5b2134dc4aef3719cee207001bc"><asmv2:hash xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"><dsig:Transforms><dsig:Transform Algorithm="urn:schemas-microsoft-com:HashTransforms.Identity"></dsig:Transform></dsig:Transforms><dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"></dsig:DigestMethod><dsig:DigestValue>VF5ECUAHPV7EnUf+/UIXMPizPvs=</dsig:DigestValue></asmv2:hash></file> 
-    <file name="msvcp90.dll" hashalg="SHA1" hash="0f6bbf7fe4fb3fca2cb5b542eca1a1cad051f01c"><asmv2:hash xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"><dsig:Transforms><dsig:Transform Algorithm="urn:schemas-microsoft-com:HashTransforms.Identity"></dsig:Transform></dsig:Transforms><dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"></dsig:DigestMethod><dsig:DigestValue>3Wg+StVMq2uhx7POnAkl2w4dDmY=</dsig:DigestValue></asmv2:hash></file> 
-    <file name="msvcm90.dll" hashalg="SHA1" hash="7f3290ab2b7444c2b4a9b1fedfdb16466d7a21bb"><asmv2:hash xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"><dsig:Transforms><dsig:Transform Algorithm="urn:schemas-microsoft-com:HashTransforms.Identity"></dsig:Transform></dsig:Transforms><dsig:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"></dsig:DigestMethod><dsig:DigestValue>/YfRn7UQENzdMeoMHxTgdRMiObA=</dsig:DigestValue></asmv2:hash></file>
-</assembly>
\ No newline at end of file
diff --git a/runtime/windows/Microsoft.VC90.CRT/msvcm90.dll b/runtime/windows/Microsoft.VC90.CRT/msvcm90.dll
deleted file mode 100644
index 734d86be..00000000
Binary files a/runtime/windows/Microsoft.VC90.CRT/msvcm90.dll and /dev/null differ
diff --git a/runtime/windows/Microsoft.VC90.CRT/msvcp90.dll b/runtime/windows/Microsoft.VC90.CRT/msvcp90.dll
deleted file mode 100644
index 70ddf553..00000000
Binary files a/runtime/windows/Microsoft.VC90.CRT/msvcp90.dll and /dev/null differ
diff --git a/runtime/windows/Microsoft.VC90.CRT/msvcr90.dll b/runtime/windows/Microsoft.VC90.CRT/msvcr90.dll
deleted file mode 100644
index 072bc0b4..00000000
Binary files a/runtime/windows/Microsoft.VC90.CRT/msvcr90.dll and /dev/null differ
diff --git a/runtime/windows/QtCore4.dll b/runtime/windows/QtCore4.dll
deleted file mode 100644
index 0d342206..00000000
Binary files a/runtime/windows/QtCore4.dll and /dev/null differ
diff --git a/runtime/windows/QtGui4.dll b/runtime/windows/QtGui4.dll
deleted file mode 100644
index c1a98619..00000000
Binary files a/runtime/windows/QtGui4.dll and /dev/null differ
diff --git a/runtime/windows/QtNetwork4.dll b/runtime/windows/QtNetwork4.dll
deleted file mode 100644
index 1d3ff9e3..00000000
Binary files a/runtime/windows/QtNetwork4.dll and /dev/null differ
diff --git a/runtime/windows/QtScript4.dll b/runtime/windows/QtScript4.dll
deleted file mode 100644
index d7b56e7a..00000000
Binary files a/runtime/windows/QtScript4.dll and /dev/null differ
diff --git a/runtime/windows/QtSvg4.dll b/runtime/windows/QtSvg4.dll
deleted file mode 100644
index 05470d72..00000000
Binary files a/runtime/windows/QtSvg4.dll and /dev/null differ
diff --git a/runtime/windows/QtWebKit4.dll b/runtime/windows/QtWebKit4.dll
deleted file mode 100644
index 8a321067..00000000
Binary files a/runtime/windows/QtWebKit4.dll and /dev/null differ
diff --git a/runtime/windows/QtXml4.dll b/runtime/windows/QtXml4.dll
deleted file mode 100644
index c3706b84..00000000
Binary files a/runtime/windows/QtXml4.dll and /dev/null differ
diff --git a/runtime/windows/phonon4.dll b/runtime/windows/phonon4.dll
deleted file mode 100644
index c12ac545..00000000
Binary files a/runtime/windows/phonon4.dll and /dev/null differ