Comment 7 for bug 147777

I think the problem occurs because I removed rhytmbox (and maybe dia, can't remember that) in the feisty installation and the upgrade script acts on the assumption, that it is installed. so it's maybe a bug in the update manager more precisely the gutsy upgrade routine, which should not try to upgrade removed packages?
i found the same problem here:
http://ubuntuforums.org/showthread.php?p=3447833