removing rhythmbox and then apt-get autoremove fixed the problem for me, upgrade is currently running. Maybe the GUI should point to the errors in /var/log/dist-upgrade/ ... then I would have probably found it myself. Thanks, Nils
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/981884 Title: kubuntu cannot upgrade from 11.10 to 12.04-pre To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/981884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs