Thanks for your report. Could you check that users-admin also fails to change ANY user settings at all, and not only main group? If so, this problem is known and hopefully has a fix available - see bug 468922.
** Changed in: gnome-system-tools (Ubuntu) Status: New => Incomplete -- Changing "Main group" with users-admin GUI fails https://bugs.launchpad.net/bugs/472525 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-system-tools in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs