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Try reconfiguring Norton
http://www.gnutellaforums.com/showpo...10&postcount=6
When you tried port forwarding, did you make sure to set up a static IP address first? Did you use instructions from portforward.com? Just in case, here are the instructions for your router...you can double check things if you like
http://www.portforward.com/english/r...3/Limewire.htm
Remember that LW's listening port, port in the 'manual port forward' box & port forwarded within the router all have to be the same number.
You could also try enabling UPnP within the router & then choosing the UPnP option within LW's tools > options > advanced > firewall config.