Sin saber por que ha dejado de funcional el gnome -control-center. Lanzado desde la consola da:
$ gnome-control-center (gst-plugin-scanner:5555): GLib-GObject-WARNING **: 21:19:35.183: cannot register existing type 'GstAggregator' (gst-plugin-scanner:5555): GLib-CRITICAL **: 21:19:35.183: g_once_init_leave: assertion 'result != 0' failed (gst-plugin-scanner:5555): GLib-GObject-CRITICAL **: 21:19:35.183: g_type_register_static: assertion 'parent_type > 0' failed (gst-plugin-scanner:5555): GLib-CRITICAL **: 21:19:35.183: g_once_init_leave: assertion 'result != 0' failed (gst-plugin-scanner:5555): GLib-GObject-CRITICAL **: 21:19:35.183: g_type_register_static: assertion 'parent_type > 0' failed (gst-plugin-scanner:5555): GLib-GObject-CRITICAL **: 21:19:35.183: g_type_add_interface_static: assertion 'G_TYPE_IS_INSTANTIATABLE (instance_type)' failed (gst-plugin-scanner:5555): GLib-CRITICAL **: 21:19:35.183: g_once_init_leave: assertion 'result != 0' failed (gst-plugin-scanner:5555): GStreamer-CRITICAL **: 21:19:35.183: gst_element_register: assertion 'g_type_is_a (type, GST_TYPE_ELEMENT)' failed ^C trujo@juegos:~$ gnome-control-center (gst-plugin-scanner:5883): GLib-GObject-WARNING **: 21:23:09.972: cannot register existing type 'GstAggregator' (gst-plugin-scanner:5883): GLib-CRITICAL **: 21:23:09.972: g_once_init_leave: assertion 'result != 0' failed (gst-plugin-scanner:5883): GLib-GObject-CRITICAL **: 21:23:09.972: g_type_register_static: assertion 'parent_type > 0' failed (gst-plugin-scanner:5883): GLib-CRITICAL **: 21:23:09.972: g_once_init_leave: assertion 'result != 0' failed (gst-plugin-scanner:5883): GLib-GObject-CRITICAL **: 21:23:09.972: g_type_register_static: assertion 'parent_type > 0' failed (gst-plugin-scanner:5883): GLib-GObject-CRITICAL **: 21:23:09.972: g_type_add_interface_static: assertion 'G_TYPE_IS_INSTANTIATABLE (instance_type)' failed (gst-plugin-scanner:5883): GLib-CRITICAL **: 21:23:09.972: g_once_init_leave: assertion 'result != 0' failed (gst-plugin-scanner:5883): GStreamer-CRITICAL **: 21:23:09.972: gst_element_register: assertion 'g_type_is_a (type, GST_TYPE_ELEMENT)' failed En internet no encuentro nada claro, he probado a quyitar (mover temporalmente) el directorio ~/.cache./gnome-control-cache, pero no ha servido de nada, ni si quiera se a vuelto a generar (como yo esperaba).
