Internet explorer cannot display webpage error

I have this problm since yesterday. My wireles connection is OK since I have other laptop working fine. I was running IE7 in WinXP prof. Check spybot s&d ok, scanned avg, nothing. So i updated to IE8 the same problem, installed firefox,similar problem. tried uninstall network adapter broadcom 440x. i don’t any other ways to correct this problem…anyhelp. Thank You in advance.