This DLL file may be in use with another program. Deleting it can cause that program to malfunction. The uninstallation wizard of some programs shows the message mentioned above.

I decided to organize my music directory and was plagued by "Can't rename/move this directory as it's in use by another program".

You can delete or can remove File Type Associations using Registry Editor in Windows 11/10. We show you how to do this the right way.