How to: Determine which .NET Framework versions are installed

Somehow AutoCad install fail on windows 7, error report .NET 4.5 or later not installed. 

The problem case on .NET version incorrect in registry. 

It can be fix on modify .NET version.

Find newer .NET Framework versions (4.5 and later)

Find .NET Framework versions 4.5 and later in the registry

1. From the Start menu, choose Run, enter regedit, and then select OK.
   You must have administrative credentials to run regedit.
2. In the Registry Editor, open the following subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full. If the Full subkey isn't present, then you don't have the .NET Framework 4.5 or later installed.
    Note

   The NET Framework Setup folder in the registry does not begin with a period.
3. Check for a DWORD entry named Release. If it exists, then you have .NET Framework 4.5 or later versions installed. Its value is a release key that corresponds to a particular version of the .NET Framework. In the following figure, for example, the value of the Release entry is 378389, which is the release key for .NET Framework 4.5.
   

Logoff Script to clean out temp files

Cayenne

group policy preferences:

for windows 7 +

Computer policy:
C:\Windows\Temp

User Policy
C:\users\%username%\appdata\temp

------------------------------------------------------------------------------
Batch script:

@echo on
::@ECHO OFF
::Tested on 2000/XP/VISTA/Windows 7 only

:WinVersion
cls
echo ## Definig Windows Version
ver>"%temp%\ver.tmp"
find /i "5.0" "%temp%\ver.tmp">nul
if %ERRORLEVEL% EQU 0 set WinVersion=Win2k
find /i "5.1" "%temp%\ver.tmp">nul
if %ERRORLEVEL% EQU 0 set WinVersion=WinXP
find /i "5.2" "%temp%\ver.tmp">nul
if %ERRORLEVEL% EQU 0 set WinVersion=Win2k3
find /i "6.0" "%temp%\ver.tmp">nul
if %ERRORLEVEL% EQU 0 set WinVersion=WinVista/Server2008
find /i "6.1" "%temp%\ver.tmp">nul
if %ERRORLEVEL% EQU 0 set WinVersion=Win7/Server2008R2
if "%WinVersion%" EQU "" set WinVersion=UNKNOWN
if %WinVersion% EQU UNKNOWN goto WARN0
if %WinVersion% EQU WinVista/Server2008 goto WARN1
if %WinVersion% EQU Win7/Server2008R2 goto WARN1
goto START

:START
cls
cd %USERPROFILE%
cd..
set profiles=%cd%

for /f "tokens=* delims= " %%u in ('dir /b/ad') do (

cls
title Deleting %%u Cookies. . .
if exist "%profiles%\%%u\cookies" echo Deleting....
if exist "%profiles%\%%u\cookies" cd "%profiles%\%%u\cookies"
if exist "%profiles%\%%u\cookies" del *.* /F /S /Q /A: R /A: H /A: A

cls
title Deleting %%u Temp Files. . .
if exist "%profiles%\%%u\Local Settings\Temp" echo Deleting....
if exist "%profiles%\%%u\Local Settings\Temp" cd "%profiles%\%%u\Local Settings\Temp"
if exist "%profiles%\%%u\Local Settings\Temp" del *.* /F /S /Q /A: R /A: H /A: A
if exist "%profiles%\%%u\Local Settings\Temp" rmdir /s /q "%profiles%\%%u\Local Settings\Temp"

cls
title Deleting %%u Temp Files. . .
if exist "%profiles%\%%u\AppData\Local\Temp" echo Deleting....
if exist "%profiles%\%%u\AppData\Local\Temp" cd "%profiles%\%%u\AppData\Local\Temp"
if exist "%profiles%\%%u\AppData\Local\Temp" del *.* /F /S /Q /A: R /A: H /A: A
if exist "%profiles%\%%u\AppData\Local\Temp" rmdir /s /q "%profiles%\%%u\AppData\Local\Temp"

cls
title Deleting %%u Temporary Internet Files. . .
if exist "%profiles%\%%u\Local Settings\Temporary Internet Files" echo Deleting....
if exist "%profiles%\%%u\Local Settings\Temporary Internet Files" cd "%profiles%\%%u\Local Settings\Temporary Internet Files"
if exist "%profiles%\%%u\Local Settings\Temporary Internet Files" del *.* /F /S /Q /A: R /A: H /A: A
if exist "%profiles%\%%u\Local Settings\Temporary Internet Files" rmdir /s /q "%profiles%\%%u\Local Settings\Temporary Internet Files"

cls
title Deleting %%u Temporary Internet Files. . .
if exist "%profiles%\%%u\AppData\Local\Microsoft\Windows\Temporary Internet Files" echo Deleting....
if exist "%profiles%\%%u\AppData\Local\Microsoft\Windows\Temporary Internet Files" cd "%profiles%\%%u\AppData\Local\Microsoft\Windows\Temporary Internet Files"
if exist "%profiles%\%%u\AppData\Local\Microsoft\Windows\Temporary Internet Files" del *.* /F /S /Q /A: R /A: H /A: A
if exist "%profiles%\%%u\AppData\Local\Microsoft\Windows\Temporary Internet Files" rmdir /s /q "%profiles%\%%u\AppData\Local\Microsoft\Windows\Temporary Internet Files"

)

cls
title Deleting %Systemroot%\Temp
if exist "%Systemroot%\Temp" echo Deleting....
if exist "%Systemroot%\Temp" cd "%Systemroot%\Temp" 
if exist "%Systemroot%\Temp" del *.* /F /S /Q /A: R /A: H /A: A
if exist "%Systemroot%\Temp" rmdir /s /q "%Systemroot%\Temp"

cls
title Deleting %SYSTEMDRIVE%\Temp
if exist "%SYSTEMDRIVE%\Temp" echo Deleting....
if exist "%SYSTEMDRIVE%\Temp" cd "%SYSTEMDRIVE%\Temp"
if exist "%SYSTEMDRIVE%\Temp" del *.* /F /S /Q /A: R /A: H /A: A
if exist "%SYSTEMDRIVE%\Temp" rmdir /s /q "%Systemroot%\Temp"

cls
goto END

:WARN0
cls
title Warning
echo This program has only been tested for use on:
echo Windows 2000
echo Windows XP
echo Windows Vista
echo Windows 7
echo.
echo Continue at your own risk!
echo.
echo Press 'Y' to continue or any other key to exit.
echo.
Set /P input=
if /I %input% EQU Y goto :START
goto END

:WARN1
cls
title Warning
echo For this program to work successfully be sure to
echo Right Click and select
echo Run as Administrator
echo.
echo If you have already done so ignore this warning.
echo.
echo Press 'Y' to continue or any other key to exit.
echo.
Set /P input=
if /I %input% EQU Y goto :START
goto END

:END
exit