Unlocker is an explorer extension to delete, rename, move a file that is locked. With a simple right-click of the mouse on a file or folder, get rid of error message such as error deleting file or folder, cannot delete folder: it is used by another person or program.
Ever had such an annoying message given by Windows?
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.