I received this error when hitting the check button in the update manager. It would only check the existing lists and not download the new ones. I had to use the terminal to upgrade.
-- update-manager crashed with AuthorizationFailed in update() https://bugs.launchpad.net/bugs/616875 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