It's pretty simple
Pretty much:
1) Stop the windows update service if running
2) delete everything in
Or if you like to do this by CLI
Pretty much:
1) Stop the windows update service if running
2) delete everything in
C:\Windows\SoftwareDistribution\Or if you like to do this by CLI
Code:
net stop wuauserv
net stop bits
cd %windir%\SoftwareDistribution
del /f /s /q *.*