How long since someone cleaned the vents and heatsinks like you see at http://forums.cnet.com/5208-19681_102-0.html?messageID=3196452&tag=forums06;posts#3196452
And what happens if you use Firefox rather than IE?
Only way to use it is to do a hard shut down. Freezing usually occurs when on Internet - IE 8, Windows 7. MS Tech Support has helped but computer froze again yesterday and tonight. Any thoughts how to correct problem? Continue with MS Tech Support?