IF EXIST "%WINDIR%\Microsoft.NET\Framework\v4.0.30319" (
	goto DOTNET4
) ELSE IF EXIST "%WINDIR%\Microsoft.NET\Framework\v2.0.50727" (
	goto DOTNET2
) ELSE (
	ECHO .NET Framework not exists.
)

Exit /b 1

:DOTNET4
SET PATH=%WINDIR%\Microsoft.NET\Framework\v4.0.30319;%PATH%
Exit /b 0

:DOTNET2
SET PATH=%WINDIR%\Microsoft.NET\Framework\v2.0.50727;%PATH%
Exit /b 0