This is http://bugzilla.gnome.org/show_bug.cgi?id=389984 Fixed now.
** Changed in: deskbar-applet (Ubuntu) Status: Needs Info => Fix Committed -- fails to start after upgrade to feisty https://launchpad.net/bugs/75461 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs