Luke, Do you have the problem described in https://launchpad.net/distros/ubuntu/+source/gnome-panel/+bug/52405 ? removing /etc/xdg/menus/debian-menu.menu is a fix described there, which seemed to resolve both the panel problem and the at-spi problem for me. -- Edgy: at-spi Crashes frequently https://launchpad.net/bugs/56452