mauro@ubuntuMM:~$ sudo nautilus
Initializing nautilus-gdu extension

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1
Nautilus-Share-Message: Called "net usershare info" but it failed: «net usershare» ha restituito l'errore 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error Nessun file o directory
Please ask your system administrator to enable user sharing.


** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1
** Message: pygobject_register_sinkfunc is deprecated (GtkWindow)
** Message: pygobject_register_sinkfunc is deprecated (GtkInvisible)
** Message: pygobject_register_sinkfunc is deprecated (GtkObject)

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1

** (nautilus:9368): WARNING **: Error calling get_folders: Launch helper exited with unknown return code 1