Try doing this in "SAFE MODE
" or use download and use Unlocker
Unlocker helps delete locked files with error messages like:
-Cannot delete file: Access is denied
-There has been a sharing violation.
-The source or destination file may be in use.
-The file is in use by another program or user.
-Make sure the disk is not full or write-protected and that the file is not currently in use.
1. After install, right click the folder or file and select Unlocker from the menu.
2. If the folder or file is locked, a window listing of lockers will appear.
3. Click "Unlock All" and you are done.