net stop BITS
net stop wuauserv
net stop cryptsvc
del /f /s /q "C:\Windows\SoftwareDistribution\*.*"
rd /s /q "C:\Windows\SoftwareDistribution"
del /f /s /q "C:\Windows\System32\catroot2\*.*"
net start BITS
net start wuauserv
net start cryptsvc