Try clearing your cache to see if that helps http://www.microsoft.com/windows/ie/ie6/using/howto/customizing/clearcache.mspx Have you installed any new software or changed ISPs recently?
I compared the settings with the link you have given for clearing the cache every time I log off or sign out and that's on. I cleared it also anyway. I don't recall installing any software, but there are others who are shareing this pc...:16suspect It has started working again so i'm good for now...:Handshake