The Locked Files Wizard (formerly CopyLock) is a simple assistant that allows you to replace, to move, to delete and to rename one or more files or folders which are in use by the system or any other application. A command-line version is also available in the package so that you can use it from a Command Prompt or a script.
Disclaimer: you can crash your system or make it unbootable if you are not careful, use at your own risk. Locked Files Wizard is licensed as shareware, the cost of the registered verison is $12 and full size of the download is 0.21 MB. You may download a free version of Locked Files Wizard by following download link at Free Download section of this page. Locked Files Wizard is developed or distributed by Noel Danjou and is listed under disk tools.