I have this, too. If I try to add deskbar-applet to a panel, then the wizard for adding things to the panel freezes when I press the "add" button. And if I force quit the wizard, then the panel disappears.
-- Deskbar applet keep gnome panel from completely loading https://launchpad.net/bugs/35348 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs