I have a client whose pc gets 50-100% packet loss when pinging anything on the net. He is connected directly to a Time Warner road runner modem. He often can't even contact his DHCP server to get an address. Here's where the weirdness starts. I bring his pc to my shop, connect it directly into my Time Warner road runner modem, and IT WORKS FINE. 0% loss. I bring MY modem to his house and connect it, same 50-100% loss problem as before. I bring MY PC to his house and connect it to his modem (or my modem) and it works fine there! 0% loss. So this problem is totally inconsistent. I can't reproduce it with his pc at my shop and don't know how I can fix it given the variables. We are on different subnets ... he is on a 72. and I am on a 74. I cleaned his pc up and it has nothing left but Zango, which keeps coming back after I remove it. But this seems irrelevant to the problem since it works fine at my place. Any ideas? Any information I didn't include?