To improve visibility and operability of network information and a service provided on the network.

An image plane of an information processor comprises a network information displaying area G1, one's service displaying area G2, a shortcut displaying area G3 and a registration canceling area G4. Servers on the network and services of the servers or the like are displayed in the network information displaying area G1. A shortcut for a service with a high frequency of usage is made in the shortcut displaying area G3. A service of the one's service displaying area G2 is registered on the network by a drag and drop operation to the network information displaying area G1. Registration of the service registered on the network is canceled by a drag and drop operation to the registration canceling area G4.