Reopening, that doesn't crash with that host extra lines on my box, the bug looks like a memory corruption, nothing obvious to the valgrind log though. Could you try to get an another valgrind log with "G_SLICE =always-malloc G_DEBUG=gc-friendly valgrind..."?
** Changed in: gnome-system-tools (Ubuntu) Status: Rejected => Needs Info -- [network-admin] Crash when starting from menu. https://launchpad.net/bugs/67936 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs