[Hero2]

What version of windows???

if its win xp then try going to start then run and type in "netsh int ip rest all" and reboot
if its win 2000 try going to start run then tye in "netsh int reset all" and reboot

and jonbo im shocked I googled it and all I got was tcp/ip errors and windsock errors you should have picked those out asap. :P