%firefox

(Gecko:17022): GLib-GObject-WARNING **: cannot register existing type `GConfClient'

(Gecko:17022): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed

(Gecko:17022): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed
Segmentation fault (core dumped)