cbs.log

CBS.log contains all the information when your install Windows updates and features or

you scan system files by using SFC.

Delete cbs.log

Location: c:\windows\logs\cbs\cbs.log

Stop Windows Update service

Delete the file

Start Windows Update service

File is recreated with everything that it needs

Update tmp file: cab_xxxx

cab_xxxx files found in WINDOWS\TEMP folder