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 Reason for Revision: V2.0 (March 18, 2011): Clarified the
    Affected Software to include Windows 7 for 32-bit Systems
    Service Pack 1, Windows 7 for x64-based Systems Service Pack
    1, Windows Server 2008 R2 for x64-based Systems Service Pack
    1, and Windows Server 2008 R2 for Itanium-based Systems
    Service Pack 1. See the entry to the section, Frequently
    Asked Questions (FAQ) Related to This Security Update, that
    explains this revision.  
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