Removing cinnamon let the upgrade proceed for me too, but it looks like this bug was fixed in July:
Bug Watch Updater (bug-watch-updater) on 2014-07-12 Changed in cinnamon (Debian): status: New → Fix Released https://bugs.launchpad.net/bugs/1266336 Can it be added to 14.04 now? Seems like a lot of people prefer Cinnamon :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1279762 Title: upgrade to 14.04 from 13.10 or 12.04 failed - cinnamon fails to upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cinnamon/+bug/1279762/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
