(Two days ago, when I used 7:00, I felt that there were too many things in the C drive, and I wanted to delete some, but I couldn't open the file C:\DocumentsandSettings. I searched the Internet because it was under Windows 7. Because the C:\DocumentsandSettings folder is determined by default, it is often necessary to enter to remove it. Try it, and release the confirmation by the following method!
How to open the way DocumentsandSettings is locked under WIN7.doc)