I had to uninstall
I easily (if slowly) downloaded SP1 for my desktop running Windows 7 32 bit and my laptop running 64bit. In both cases after restart, I lost my browser connection to the internet. I could connect Google Earth and Outlook but not IE8 or Mozilla. After uninstalling everything was fine again. Both were downloaded from different IP addresses but both were connected through cable wireless router. Wireless connection to router was fine just no connection to the outside world.
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