I have the same issue when i run it from command line as normal user. With sudo or gksudo it works without problems (as far as i can see). I will make a backtrace tonight when i'm on my system again.
-- [network-admin] Crash when starting from menu. https://launchpad.net/bugs/67936 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs