"You agree that in order to protect the integrity of content and
software protected by digital rights management ('Secure Content'),
Microsoft may provide security related updates to the OS Components
that will be automatically downloaded onto your computer. These
security related updates may disable your ability to copy and/or play
Secure Content and use other software on your computer. If we provide
such a security update, we will use reasonable efforts to post notices
on a web site explaining the update."
-- Microsoft. Standard Software License Terms and Conditions. quoted
in The Register "Why the new MS licensing Ts & Cs are
important" By John Lettice Posted: August, 21, 2002 at 11:17 GMT
http://www.theregister.co.uk/content/4/26768.html