This bug should be reopened - description from montag (https://launchpad.net/ubuntu/+source/gnome-system-tools/+bug/67936/comments/11) is correct. After adding entries to /etc/hosts starting network-admin from menu (or from command line) results in application crash. You can successfully run network-admin using sudo/gksudo but this is hardly solution...
This bug should be reopened - description from montag (https:/ /launchpad. net/ubuntu/ +source/ gnome-system- tools/+ bug/67936/ comments/ 11) is correct. After adding entries to /etc/hosts starting network-admin from menu (or from command line) results in application crash. You can successfully run network-admin using sudo/gksudo but this is hardly solution...