(bluetooth-applet:3057): Gtk-CRITICAL **: IA__gtk_widget_set_sensitive: assertion `GTK_IS_WIDGET (widget)' failed (polkit-gnome-authentication-agent-1:3060): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed (nautilus:3065): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (brasero:3253): GLib-CRITICAL **: g_variant_builder_end: assertion `is_valid_builder (builder)' failed (brasero:3253): GLib-CRITICAL **: g_variant_get_type: assertion `value != NULL' failed (brasero:3253): GLib-CRITICAL **: g_variant_type_is_array: assertion `g_variant_type_check (type)' failed (brasero:3253): GLib-CRITICAL **: g_variant_get_type_string: assertion `value != NULL' failed