patch CoD4?to 1.6 or 1.7?
what version u have?
firewall blocking CoD4?
reinstall it?
few possabilities i have tryed and after patch CoD4 works...
try here:https://www.private-servers.info/call-duty-4
or here:https://www.mpgh.net/forum/142-call-d...t-cod-4-a.html
those are ip's from servers(u just open console in CoD4 and type connect (ip from the server)