I'm running windows xp sp2 with NIS 2004. I followed your instructions using this link.

Is your XP firewall turned on or off? Did you configure it for LW: http://www.limewire.com/english/content/firewalls.shtml

And it seemed to fix some of the problems. I'm receiving uploads now but every upload is saying transfer interupted. Do you know what could be causing that.