(polkit-gnome-authentication-agent-1:2339): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",
(polkit-gnome-authentication-agent-1:2339): Gtk-WARNING **: Unable to locate theme engine in module_path: "murrine",
(polkit-gnome-authentication-agent-1:2339): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",
(polkit-gnome-authentication-agent-1:2339): Gtk-WARNING **: Unable to locate theme engine in module_path: "murrine",
(polkit-gnome-authentication-agent-1:2339): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "murrine",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "murrine",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "murrine",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks",
(firefox:2395): Gtk-WARNING **: Unable to locate theme engine in module_path: "murrine",