Hi,
· Does this happen with any particular type of file or with all the files?
· Are you the administrator of the computer?
Method 1: Try deleting the files in safe mode.
“Start your computer in safe mode” http://windows.microsoft.com/en-US/windows7/Start-your-computer-in-safe-mode
Method 2: Refer to http://windows.microsoft.com/en-US/windows7/Why-cant-I-delete-a-file-or-folder
Diana
Microsoft Answers Support Engineer
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