I think you can set the favourite folders in File>Options>Folders.
Perhaps that setting points to a folder that does not exist any more.
This thread shows some more advice how to use Mp3tag with Mac OS
/t/18257/1
I think you can set the favourite folders in File>Options>Folders.
Perhaps that setting points to a folder that does not exist any more.
This thread shows some more advice how to use Mp3tag with Mac OS
/t/18257/1