I am using windows xp and have had problems connecting to Anti virus websites and even to PC Advisor. Also windows messenger. I have run Malaware bytes and CC and registry cleaners but problem still persists. It happened a few weeks ago as well but manage to clear it by getting windows updates running as even that was blocked. Antivirus is Macafee and had problems getting on that site too. am at wits end now..other sites load ok so must be well hidden virus or problem with windows..any ideas ?