diff --git a/.gitignore b/.gitignore
index 8ba677a..7565e14 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 /bin/
 /ipch/
 /res/toolset/
+/src/*.h.bak
 /*.sdf
 /*.suo
 /*.user
diff --git a/etc/auto_inc.exe b/etc/auto_inc.exe
new file mode 100644
index 0000000..dac6073
Binary files /dev/null and b/etc/auto_inc.exe differ
diff --git a/etc/check_os.nsh b/etc/check_os.nsh
index db92f6d..6539d4a 100644
--- a/etc/check_os.nsh
+++ b/etc/check_os.nsh
@@ -1,3 +1,5 @@
+!include "WinVer.nsh"
+
 Function .onInit
 	System::Call 'kernel32::CreateMutexA(i 0, i 0, t "{79d6a7e5-35af-47b1-a7d6-f20d0e5df772}") i .r1 ?e'
 	Pop $0
@@ -5,21 +7,32 @@ Function .onInit
 		MessageBox MB_ICONSTOP|MB_TOPMOST "Sorry, the installer is already running!"
 		Quit
 	${EndIf}
-
+	
 	; --------
 	
 	${IfNot} ${IsNT}
-		MessageBox MB_TOPMOST|MB_ICONSTOP "Sorry, this application does NOT support Windows 9x or Windows ME!"
+		MessageBox MB_TOPMOST|MB_ICONSTOP "Sorry, this application does NOT support Windows 9x !!!"
+		Quit
+	${EndIf}
+	
+	${IfNot} ${AtLeastWinXP}
+		MessageBox MB_TOPMOST|MB_ICONSTOP "Sorry, this application requires Windows XP or later!"
 		Quit
 	${EndIf}
 
-	${If} ${AtMostWinNT4}
-		${StdUtils.GetParameter} $R0 "Update" "?"
-		${If} $R0 == "?"
-			MessageBox MB_TOPMOST|MB_ICONSTOP "Sorry, your platform is not supported anymore. Installation aborted!$\nThe minimum required platform is Windows 2000."
-		${Else}
-			MessageBox MB_TOPMOST|MB_ICONSTOP "Sorry, your platform is not supported anymore. Update not possible!$\nThe minimum required platform is Windows 2000."
-		${EndIf}
+	${If} ${IsWinXP}
+	${AndIf} ${AtMostServicePack} 1
+		MessageBox MB_TOPMOST|MB_ICONSTOP "Sorry, this application requires Service-Pack 2 for Windows XP or later!"
+		ExecShell "open" "http://www.microsoft.com/download/en/details.aspx?id=24"
+		Quit
+	${EndIf}
+	
+	; --------
+	
+	UserInfo::GetAccountType
+	Pop $0
+	${If} $0 != "Admin"
+		MessageBox MB_ICONSTOP|MB_TOPMOST "Your system requires administrative permissions in order to install this software."
 		Quit
 	${EndIf}
 FunctionEnd
diff --git a/etc/finalization.nsh b/etc/finalization.nsh
new file mode 100644
index 0000000..c6ce51d
--- /dev/null
+++ b/etc/finalization.nsh
@@ -0,0 +1,3 @@
+Function .onInstSuccess
+	ExecShell "explore" '$INSTDIR'
+FunctionEnd
diff --git a/etc/shortcut.nsh b/etc/shortcut.nsh
new file mode 100644
index 0000000..043299b
--- /dev/null
+++ b/etc/shortcut.nsh
@@ -0,0 +1,4 @@
+#Function createShortcuts
+	MessageBox MB_ICONQUESTION|MB_TOPMOST|MB_YESNO "Create a desktop icon for Simple x264 Launcher?" IDNO +2
+	CreateShortCut "$DESKTOP\Simple x264 Launcher.lnk" "$INSTDIR\x264_launcher.exe"
+#FunctionEnd
diff --git a/src/version.h b/src/version.h
index ad97351..9b8e081 100644
--- a/src/version.h
+++ b/src/version.h
@@ -21,7 +21,7 @@
 
 #define VER_X264_MAJOR 2
 #define VER_X264_MINOR 0
-#define VER_X264_PATCH 62
+#define VER_X264_PATCH 66
 
 #define VER_X264_MINIMUM_REV 2146
 #define VER_X264_CURRENT_API 120
diff --git a/z_build.bat b/z_build.bat
index c860238..5a4b294 100644
--- a/z_build.bat
+++ b/z_build.bat
@@ -1,13 +1,47 @@
 @echo off
 REM ///////////////////////////////////////////////////////////////////////////
-set "MSVC_PATH=D:\Microsoft Visual Studio 10.0\VC"
-set "NSIS_PATH=E:\NSIS\_Unicode"
-set "QTVC_PATH=E:\QtSDK\Desktop\Qt\4.8.0\msvc2010"
-set "UPX3_PATH=E:\UPX"
+REM // Set Paths
+REM ///////////////////////////////////////////////////////////////////////////
+set "MSVC_PATH=C:\Program Files\Microsoft Visual Studio 10.0\VC"
+set "NSIS_PATH=C:\Program Files\NSIS\Unicode"
+set "QTVC_PATH=C:\MuldeR\Qt\4.8.0"
+set "UPX3_PATH=C:\Program Files\UPX"
+
+REM ###############################################
+REM # DO NOT MODIFY ANY LINES BELOW THIS LINE !!! #
+REM ###############################################
+
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Setup environment
 REM ///////////////////////////////////////////////////////////////////////////
 if exist "%QTVC_PATH%\bin\qtvars.bat" ( call "%QTVC_PATH%\bin\qtvars.bat" )
 if exist "%QTVC_PATH%\bin\qtenv2.bat" ( call "%QTVC_PATH%\bin\qtenv2.bat" )
 call "%MSVC_PATH%\vcvarsall.bat" x86
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Check environment
+REM ///////////////////////////////////////////////////////////////////////////
+if "%VCINSTALLDIR%"=="" (
+	echo %%VCINSTALLDIR%% not specified. Please check your MSVC_PATH var!
+	goto BuildError
+)
+if "%QTDIR%"=="" (
+	echo %%QTDIR%% not specified. Please check your MSVC_PATH var!
+	goto BuildError
+)
+if not exist "%VCINSTALLDIR%\bin\cl.exe" (
+	echo C++ compiler not found. Please check your MSVC_PATH var!
+	goto BuildError
+)
+if not exist "%QTDIR%\bin\moc.exe" (
+	echo Qt meta compiler not found. Please check your QTVC_PATH var!
+	goto BuildError
+)
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Build the binaries
+REM ///////////////////////////////////////////////////////////////////////////
 echo ---------------------------------------------------------------------
 echo BEGIN BUILD
 echo ---------------------------------------------------------------------
@@ -15,6 +49,10 @@ MSBuild.exe /property:Configuration=release /target:clean "%~dp0\x264_launcher.s
 if not "%ERRORLEVEL%"=="0" goto BuildError
 MSBuild.exe /property:Configuration=release /target:rebuild "%~dp0\x264_launcher.sln"
 if not "%ERRORLEVEL%"=="0" goto BuildError
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Copy base files
+REM ///////////////////////////////////////////////////////////////////////////
 echo ---------------------------------------------------------------------
 echo BEGIN PACKAGING
 echo ---------------------------------------------------------------------
@@ -24,7 +62,9 @@ mkdir "%PACK_PATH%\imageformats"
 mkdir "%PACK_PATH%\toolset"
 copy "%~dp0\bin\Release\*.exe" "%PACK_PATH%"
 copy "%~dp0\bin\Release\toolset\*.exe" "%PACK_PATH%\toolset"
-copy "%~dp0\*.txt" "%PACK_PATH%"
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Copy dependencies
 REM ///////////////////////////////////////////////////////////////////////////
 copy "%MSVC_PATH%\redist\x86\Microsoft.VC100.CRT\*.dll" "%PACK_PATH%"
 copy "%QTVC_PATH%\bin\QtCore4.dll" "%PACK_PATH%"
@@ -34,49 +74,74 @@ copy "%QTVC_PATH%\bin\QtXml4.dll" "%PACK_PATH%"
 copy "%QTVC_PATH%\bin\QtXml4.dll" "%PACK_PATH%"
 copy "%QTVC_PATH%\plugins\imageformats\*.dll" "%PACK_PATH%\imageformats"
 del "%PACK_PATH%\imageformats\*d4.dll"
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Compress
 REM ///////////////////////////////////////////////////////////////////////////
 "%UPX3_PATH%\upx.exe" --brute "%PACK_PATH%\*.exe"
 "%UPX3_PATH%\upx.exe" --best "%PACK_PATH%\*.dll"
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Get current date (in ISO format)
 REM ///////////////////////////////////////////////////////////////////////////
 if not exist "%~dp0\etc\date.exe" BuildError
 for /F "tokens=1,2 delims=:" %%a in ('"%~dp0\etc\date.exe" +ISODATE:%%Y-%%m-%%d') do (
 	if "%%a"=="ISODATE" set "ISO_DATE=%%b"
 )
 if "%ISO_DATE%"=="" BuildError
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Setup install parameters
 REM ///////////////////////////////////////////////////////////////////////////
 set "NSI_FILE=%TMP%\~%RANDOM%%RANDOM%.nsi"
 set "OUT_NAME=x264_x64.%ISO_DATE%"
 set "OUT_PATH=%~dp0\bin"
 set "OUT_FULL=%OUT_PATH%\%OUT_NAME%.exe"
-REM ///////////////////////////////////////////////////////////////////////////
 :GenerateOutfileName
 if exist "%OUT_FULL%" (
 	set "OUT_NAME=%OUT_NAME%.new"
 	set "OUT_FULL=%OUT_PATH%\%OUT_NAME%.exe"
 	goto GenerateOutfileName
 )
+
 REM ///////////////////////////////////////////////////////////////////////////
-echo !define ZIP2EXE_NAME `Simple x264 Launcher (%ISO_DATE%)` > "%NSI_FILE%"
+REM // Generate install script
+REM ///////////////////////////////////////////////////////////////////////////
+echo #Generated File - Do NOT modify! > "%NSI_FILE%"
+echo !define ZIP2EXE_NAME `Simple x264 Launcher (%ISO_DATE%)` >> "%NSI_FILE%"
 echo !define ZIP2EXE_OUTFILE `%OUT_FULL%` >> "%NSI_FILE%"
 echo !define ZIP2EXE_COMPRESSOR_LZMA >> "%NSI_FILE%"
 echo !define ZIP2EXE_INSTALLDIR `$PROGRAMFILES\MuldeR\Simple x264 Launcher v2` >> "%NSI_FILE%"
+echo ShowInstDetails show >> "%NSI_FILE%"
 echo !include `${NSISDIR}\Contrib\zip2exe\Base.nsh` >> "%NSI_FILE%"
 echo !include `${NSISDIR}\Contrib\zip2exe\Modern.nsh` >> "%NSI_FILE%"
 echo !insertmacro SECTION_BEGIN >> "%NSI_FILE%"
 echo File /r `%PACK_PATH%\*.*` >> "%NSI_FILE%"
+echo !include `%~dp0\etc\shortcut.nsh` >> "%NSI_FILE%"
 echo !insertmacro SECTION_END >> "%NSI_FILE%"
+echo !include `%~dp0\etc\check_os.nsh` >> "%NSI_FILE%"
+echo !include `%~dp0\etc\finalization.nsh` >> "%NSI_FILE%"
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // Build the installer
 REM ///////////////////////////////////////////////////////////////////////////
 "%NSIS_PATH%\makensis.exe" "%NSI_FILE%"
 if not "%ERRORLEVEL%"=="0" goto BuildError
 attrib +R "%OUT_FULL%"
 del "%NSI_FILE%"
 rmdir /Q /S "%PACK_PATH%"
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // COMPLETE
 REM ///////////////////////////////////////////////////////////////////////////
 echo.
 echo Build completed.
 echo.
 pause
 goto:eof
+
+REM ///////////////////////////////////////////////////////////////////////////
+REM // FAILED
 REM ///////////////////////////////////////////////////////////////////////////
 :BuildError
 echo.