I think the advice to disable the polkit-gnome-authentication-agent-1 to fix this is akin to advising someone to take the batteries out of their smoke alarms to stop the annoying noise.
One of the other links in there has a more plausible angle though, which is that it is to do with the message notification panel. I'm running with this disabled/removed to see if it is the likely culprit. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512002 Title: Annoying dialog "Authentication is required to change your own user data" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/policykit-1-gnome/+bug/1512002/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs