I have the same bug here : (firefox:18412): LIBDBUSMENU-GTK-CRITICAL **: dbusmenu_menuitem_property_set_shortcut: assertion `gtk_accelerator_valid(key, modifier)' failed.
Firefox package version : 14.0.1+build1-0ubuntu0.12.04.1.
I have the same bug here : (firefox:18412): LIBDBUSMENU- GTK-CRITICAL **: dbusmenu_ menuitem_ property_ set_shortcut: assertion `gtk_accelerato r_valid( key, modifier)' failed.
Firefox package version : 14.0.1+ build1- 0ubuntu0. 12.04.1.