What do you mean focus the desktop? The desktop cannot take focus, only the icons on it can.
** Changed in: gnome-desktop (Ubuntu) Status: Unconfirmed => Needs Info -- Can't focus desktop if numlock is on https://launchpad.net/bugs/51234 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs