Estou usando o Ubuntu 12.04 LTS. Estou recebendo o seguinte erro quando clico em Rede:
Could not open location 'network://'
DBus error org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.