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    Operating System Component Maximum Security Impact Aggregate Severity Rating Bulletins Replaced by this Update; Microsoft Windows 2000 Service Pack 4
    http://www.microsoft.com/technet/security/bulletin/MS09-020.mspx ... kbbug kbexpertiseinter kbfix kbsecbulletin kbsecurity kbsecvulnerability kbsurveynew KB970483: