アプリケーション　端末　で　nautilus  とか　sudo nautilus を実行すると、起動するのですが、エラーメッセージがでます。
ちょっと、気味が悪いのですが、何かinstallしわすれでもあるのかと思って、質問しました。
環境　ubuntu9.10(32)

$ sudo nautilus
(nautilus:2301): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
** (nautilus:2301): WARNING **: No marshaller for signature of signal 'UploadFinished'
** (nautilus:2301): WARNING **: No marshaller for signature of signal 'DownloadFinished'
** (nautilus:2301): WARNING **: No marshaller for signature of signal 'ShareCreateError'
Initializing nautilus-gdu extension
Nautilus-Share-Message: Called "net usershare info" but it failed: 'net usershare' returned error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No such file or directory
Please ask your system administrator to enable user sharing.


(nautilus:2301): Eel-WARNING **: "nautilus-directory.c: directories" hash table still has 1 element at quit time
Shutting down nautilus-gdu extension
Segmentation fault

$ nautilus
(nautilus:2316): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
$