Free File Unlocker is a new free software application that unlocks files or folders and stops error messages from appearing when trying to delete them. It can also be used to terminate malware.
Free File Unlocker for Windows PC
This Free File Unlocking Utility works with all 32bit and 64bit versions of Windows and Windows Server and helps you delete undeletable & locked files, folders.
It also stops the following error messages from appearing when trying to delete, move and rename files that are in use by other programs
Cannot 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
Cannot delete file: Access is denied
The file is in use by another program or user
There has been a sharing violation
The source or destination file may be in use
Cannot read from the source file or disk
This free file deleter software comes in a portable version too and is fully integrated with Windows Explorer right-click context menu. Moreover, it can also be executed from the command line and has the ability to provide locked file input lists, copy destination lists, move destination lists and rename lists.
You can download it from its home page at 4dots software.
Also check File Locksmith PowerToy.