ubuntu tweak doesn't start at all

[micuzziddo]

Distribution: Ubuntu 10.04 lucid
Application: Ubuntu Tweak 0.5.10
Desktop: gnome

Traceback (most recent call last):
   File "/ usr / bin / ubuntu-tweak", line 110, in <module>
     TweakLauncher launcher = (session_bus, MainWindow ())
   File "/ usr/lib/python2.6/dist-packages/ubuntutweak/mainwindow.py", line 276, in __init__
     self.get_gui_state ()
   File "/ usr/lib/python2.6/dist-packages/ubuntutweak/mainwindow.py", line 351, in get_gui_state
     self.set_default_size (* TweakSettings.get_window_size ())
   File "/ usr/lib/python2.6/dist-packages/ubuntutweak/common/config.py", line 147, in get_window_size
     width = cls.config.get_value_from_key (cls.window_width, default = 900)
   File "/ usr/lib/python2.6/dist-packages/ubuntutweak/common/config.py", line 35, in get_value_from_key
     self.get_value return ()
   File "/ usr/lib/python2.6/dist-packages/ubuntutweak/conf/gconfsetting.py", line 103, in get_value
     self.set_value (self.__default)
   File "/ usr/lib/python2.6/dist-packages/ubuntutweak/conf/gconfsetting.py", line 112, in set_value
     self.__client.set_value (self.__key, value)
GError: Contact with the server configuration failed, among the possible causes of the need to enable support TCP / IP networking for ORBit, or the presence of an old block NFS caused by a system crash. See http://www.gnome.org/projects/gconf/ for more information (details - 1: Error pinging the server: IDL: omg.org / CORBA / COMM_FAILURE: 1.0)