Also, forgot to mention: It was just not progressing (on two separate Ubuntu 14.04 systems with nearly identical configurations) but when I clicked the close button on the Update Manger, the crash reporter came up, and I saw my crash report was being classified as a duplicate of this bug.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1209219 Title: update-manager crashed with aptdaemon.errors.AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1209219/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs