Any ideas on why a recent new computer with xp professional networked to a broadband router is causing probles with norton internet security 2004? My other computer with 2003 seems fine. I have specified IP addresses of the computers to allow file and printer sharing. However if the 2004 firewall is turned I cannot ping the IP address of the computer and the printer is not useable from the other computer in the network. In addition network games is not working. Has anyone come across this problem? Is a software bug particularly as it worked the first time I set it up?