In the start menu search box type command prompt in Start menu search box, then right click it and choose Run as administrator
Next run the following commands one by one:
net stop bits
net stop wuauserv
net stop cryptsvc
Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak
Ren %Systemroot%\SoftwareDistribution\Download Download.bak
Ren %Systemroot%\System32\catroot2 catroot2.bak
net start bits
net start wuauserv
net start cryptsvc
Susan Bradley Patch Lady