With MM closed, I moved (not copied) the database from the C: drive to it's new home and when next started MM threw up a message saying it couldn't find its database. When I selected cancel MM hung with just a corrupted splash screen showing, but it was possible to close it from the task bar ok. Copying the database files back to their default folder whilst MM was hung disn't achieve anything (no surprise there).
Win XP, 256K RAM, several drives - all music and related files on D: (I hope