I did exactly that - and had two broken packages reported. I did sudo apt-get -f install to fix them and now the update manager is working OK.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/628104 Title: update-manager crashes: AptDaemonError: org.debian.apt: Could not cancel transaction To manage notifications about this bug go to: https://bugs.launchpad.net/aptdaemon/+bug/628104/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs