This appears to be fixed in appmenu-gtk 0.1.96-0ubuntu1, indicator-appmenu 0.1.97-0ubuntu1, virtualbox 4.0.4-70112~Ubuntu~maverick
This appears to be fixed in appmenu-gtk 0.1.96-0ubuntu1, indicator-appmenu 0.1.97-0ubuntu1, virtualbox 4.0.4-70112~ Ubuntu~ maverick