Chrysalis, you dont have the same problem as Glitch. Look here instead:
http://forum.nthellworld.co.uk/showthread.php?t=4983.
Glitch has a problem because of the router. The Installer is trying to renew the computers ip address from a pre-reg to a registered IP. Obviously this iant going to happen because the pc gets its IP from the router.
(haha, soto got there first!! doh!)