(gnome-settings-daemon:1566): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed
(canberra-gtk-play:1608): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(nautilus:1603): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
(nautilus:1603): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
(unity-window-decorator:1668): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(applet.py:1873): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(firefox:1920): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(firefox:1920): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",