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Why is this so ? - Try these Very common problem - try the following solutions
Turn off TLS encryption in the Internet Options advanced tab and turn on SSL 2.0. This will fix some secure pages.
The major fix is this and I quote...
It appears that some sites cannot be opened with Vista (beta 2) because the webservers don't respond well to the tcp autotuning feature that is enabled by default. I managed to access the sites by turning off this network auto tuning with the command:
netsh int tcp set global autotuninglevel=disabled
Since this is a network setting, it affects all browsers. It's not a IE7 issue.
unquote
Best of Luck |