Clean Up the WinSxS Folder

1. At an elevated command prompt, run the following command:
   Net Stop WUAUSERV
2. Delete the contents of the %windir%\softwaredistribution\download folder.
3. At an elevated command prompt, run the following command:
   Net Start WUAUSERV

for windows 8.1

The following command will uninstall all previous versions of components without the scheduled task’s 30-day grace period:

DISM.exe /online /Cleanup-Image /StartComponentCleanup

The following command will remove files needed for uninstallation of service packs. You won’t be able to uninstall any currently installed service packs after running this command:

DISM.exe /online /Cleanup-Image /SPSuperseded

The following command will remove all old versions of every component. You won’t be able to uninstall any currently installed service packs or updates after this completes:

DISM.exe /online /Cleanup-Image /StartComponentCleanup /ResetBase