Free File Unlocker allows you to delete locked, undeletable, and busy files. It is also fully integrated with Windows Explorer for ease-of-use.
This easy-to-use utility will easily unlock files or folders and in the process stop the following error messages while you are moving, renaming and deleting files that may be currently in use by other programs.
Can not delete folder: It is being used by another person or program
Make sure the disk is not full or write-protected and that the file is not currently in use