There is no central server for the gnutella network. You connect to other people like yourself. If you have connection problems then please give us some details. Have a look in the Connections section of the forum to see what types of info we need to help you.

Did you configure your firewall so it allows LW full access (advisable not to have 2 active firewalls b/c they can interfere with each other); Firewall configuration instructions (click on link)