I have the same problem and i discovered that ubuntu-desktop was not apearing to be installed on synaptic. I installed and the problem is gone.
-- [users-admin] Unlock -> "Could not authenticate. An unexpected error has occurred." https://bugs.launchpad.net/bugs/194496 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a direct subscriber. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
