It has been said that the new Windows Genuine Advantage (WGA) update that is 
being force fed to every user on the planet via update has problems.

For example a person with a perfectly authentic copy of Windows accepted the 
WGA unknowingly. The update wiped out several drivers and ruined his 
machine.
He ran system restore and was o.k., but the update is trying to get in 
again.
This could get real nasty fast.
What are our choices?
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Read more here
http://blogs.zdnet.com/Bott/?p=76
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