I have fixed this bug after run this command: $ sudo apt-get install policykit-gnome
-- Users-admin unlock not working https://bugs.launchpad.net/bugs/183673 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
