for spyware, viruses first. Then make sure your firewall isn't causing problems by shutting it off for a minute and see how you browse, if it works then it's a firewall problem. Are you through a router, what is your internet connection? Do you have a modem? Did you call your ISP to be sure they aren't experiencing issues? It may also be your NIC card or modem going bad. Could be a loose connection or bad (whatever type) of cable you connect with. Are you wirless?
I am having trouble with my system. Some pictures now come up with a red X instead of the image itself, the properties show no type. Also, 1/2 of the websites that I now try to go to get a 'page cannot be displayed' error. I have not downloaded anything new, and this was working this morning.
I have reset all defaults in IE 6 and I am running Win XP Home SP2. I have even tried restoring my system back a few days but this also did not help.
Does anyone have any idea how to proceed from here?