I am not sure how I got this 2.2 GB folder on my â€œCâ€ partition but it was not necessary. With free space on my â€œCâ€ partition down to 5% it was time to clean house. The Vista instructions will work as written if you run the Disk Cleanup utility as the Administrator. If you happen to run the utility as a â€œmere mortalâ€ there is a button in the Windows 7 version to restart the utility as an Administrator if you want to â€œClean up system filesâ€.
How to remove the Windows.old folder that is generated when you perform a custom installation of Windows Vista