|I would try unloading IE8 (which I've done many times lately as IE8 is extremely slow at times, especially opening up) and reverting back to IE7. You will have to re-download your critical updates.|
Also check your firewall and anti-virus to see if they are blocking it.
Try tools/internet options and putting IE on the safe list.
Have you tried any alternate browsers like Firefox, google chrome or opera?
Maybe see if they connect for you, then you can try getting IE working. Good Luck
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