@Ioannis: could you please state your Ubuntu version, and the version of gnome-system-tools you are using? You can use, on a terminal:
cat /etc/lsb-release # installed Ubuntu version and dpkg -l gnome-system-tools # installed g-s-t level Thank you. -- [users-admin] Group list is not complete https://bugs.launchpad.net/bugs/201388 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs