I have upgraded my pc from windows xp to windows 7. Now everytime I'm downloading files, it loses connection. I have a laptop with windows xp on it and it works fine on the same modem. I have cable internet. Time Warner has been here several times and their equipment is working fine. I have disable the firewall, updated all drivers, and checked for conflicts. But cannot find problem. It's not wireless connected thru lan port. Any help would be greatly appreciated.