Add a delete on reboot value to right click., Very useful for deleting stubborn files.

You can always use this registry tweak.

This is a tool that will let you add a value to the right click menu called delete on reboot. This will get rid of stubborn files that refuse to be deleted such as, uninstalled applications, viruses, and much more.

Download This Registry File
http://www.techsomething.net/Downloads/regedit.rar

Save the file to your desktop and once it is downloaded, right click it and click merge. You will get a message that confirms your actions, click ok. It will then merge. And from there on out, there will be a delete on reboot key whenever you right click a file.
LiveZilla Live Help