You may need to restart explorer.exe or reboot your computer for the right-click option to appear. Compatibility and Modern Alternatives

WhoLockMe was originally developed for older versions of Windows (NT, 2000, XP). While it may still work on newer 32-bit systems, users on 64-bit versions of Windows 10 or 11 often encounter installation errors.

While the original developer site is legacy, WhoLockMe remains available on several reputable software repositories.

is a specialized Windows explorer extension designed to identify and resolve "file in use" errors that prevent users from deleting, moving, or renaming files. If you have ever encountered a Windows pop-up stating there has been a "sharing violation" or that a "source or destination file may be in use," WhoLockMe provides a direct solution by listing every process currently locking that specific file. What is WhoLockMe?

You can download the tool from long-standing archives like MajorGeeks , Softpedia , or Uptodown .