From: Mike N. 

On Thu, 22 Feb 2007 08:56:35 -0600, "Robert G Lewis"
 wrote:

>I noticed they do not seem to say what has changed or why we need the
>update.

  They never do - "That's for us to know and for you to guess".  Meanwhile,
it could as easily be a security vulnerability as Microsoft recalling a new
block of product keys that includes your legal copy.

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