Can you run the update-manager from a terminal and get it to crash? Then paste the crash output in here. Thanks.
** Changed in: update-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/739086 Title: update-manager freezes after several attempts with wrong passwords or after auth cancel -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs