Thanks for your bugreport. This seems to be the same issue as bug #445303 - there are screenshots in this report, can you please check if the symptoms are the same?
-- update-manager crashed with DBusException in call_blocking() https://bugs.launchpad.net/bugs/435838 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
