What should you do after you install Windows 7 SP 1 and it has ran well for about a week or so?
Open a command prompt as an administrator. (Go to search, type CMD, hold Ctrl-Shift and hit enter)
type the following –
DISM /online /cleanup-Image /spsuperseded
This will remove files needed to uninstall (backed up files) SP 1.
You can also open the disk cleanup tool and check the Service Pack Backup Files and run disk cleanup.
Here’s a view of Rhett’s (student) hard drive before and after.