I have also experienced this error on my thinkpad t60 using xubuntu hardy. details provided below.
** Changed in: gnome-system-tools (Ubuntu) Status: Incomplete => Confirmed -- [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