Same problem in my 32-bit version. Anything in GUI requiring permission seems not to work (bug #1424362) . E.g. I was unable also to change the video driver.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1429531 Title: users-admin cannot create a new user in Lubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-system-tools/+bug/1429531/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs