(nautilus:10355): GLib-GObject-WARNING **: instance with invalid (NULL) class pointer
(nautilus:10355): GLib-GObject-CRITICAL **: g_signal_handler_disconnect: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
(myunity:10802): Pango-CRITICAL **: pango_font_description_set_size: assertion `size >= 0' failed
(myunity:10802): Pango-CRITICAL **: pango_font_description_set_size: assertion `size >= 0' failed
(gtk-window-decorator:10762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed
(gtk-window-decorator:10762): Wnck-CRITICAL **: wnck_window_get_client_window_geometry: assertion `WNCK_IS_WINDOW (window)' failed
(gtk-window-decorator:10762): GLib-GObject-CRITICAL **: g_object_get_data: assertion `G_IS_OBJECT (object)' failed