Problemas com sudo

[Chrisostomo]

não sei oq houve, mas sempre que tento usar o sudo, como por exemplo, para usar o gedit , ocorre o seguinte erro:

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chrisostomo@r2d2:~$ sudo gedit
Password:

** (gedit:9432): CRITICAL **: gedit_prefs_manager_get_int: assertion `gedit_prefs_manager->gconf_client != NULL' failed

** (gedit:9432): CRITICAL **: gedit_prefs_manager_get_bool: assertion `gedit_prefs_manager->gconf_client != NULL' failed

** (gedit:9432): CRITICAL **: gedit_prefs_manager_get_bool: assertion `gedit_prefs_manager->gconf_client != NULL' failed

** (gedit:9432): CRITICAL **: gedit_prefs_manager_get_int: assertion `gedit_prefs_manager->gconf_client != NULL' failed

(gedit:9432): GLib-GObject-WARNING **: invalid uninstantiatable type `<invalid>' in cast to `GObject'

(gedit:9432): GLib-GObject-WARNING **: instance of invalid non-instantiatable type `<invalid>'

(gedit:9432): GLib-GObject-CRITICAL **: g_signal_connect_object: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed

(gedit:9432): GLib-GObject-WARNING **: invalid uninstantiatable type `<invalid>' in cast to `BonoboMDI'

** (gedit:9432): CRITICAL **: bonobo_mdi_add_child: assertion `BONOBO_IS_MDI (mdi)' failed

** (gedit:9432): CRITICAL **: gedit_file_new: assertion `ret != FALSE' failed
chrisostomo@r2d2:~$



alguém saberia me dizer o que está acontecendo? pois quando uso o gedit apenas, este erro nao ocorre, apenas ocm o sudo.