Be sure you got at least "sets + roms + name" enabled to check for wrong named sets. Another possibility is that you don't follow the correct storing method which is: rompath\setname\file 1... n. Maybe you should have a look at your rompath and the dat you're using. It should tell you how the sets are defined.

Another possibility is that your files are completely wrong. In case of DS files for example you might check decrypted roms with a datfile for encrypted ones or vice versa. Then of course all files 'unneeded'.


Roman Scherzer