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Alright so I just got a new laptop and I was using it and stuff and everything was when going great. However, later that night it crashed when I was installing something. So I ran the reinstallation thing to reinstall vista and whatever. Now its like it was when I got the computer, but the older files from before are still on there. It is taking up like 20 gigabytes to, and everytime I go to delete it, it says Need Permission
Try Again Cancel
I click try again and still it doesn't work. Can anyone please tell me how to delete the older files or Windows.old?