Security Update for Windows Vista for x64-based Systems (KB974571)

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A security issue has been identified that could allow an attacker to misrepresent a system action or behavior without the knowledge of the user.
  • Version:

    974571

    File Name:

    Windows6.0-KB974571-x64.msu

    Date Published:

    10/12/2009

    File Size:

    302 KB

    KB Articles: KB974571

    Security bulletins:MS09-056

      A security issue has been identified that could allow an attacker to misrepresent a system action or behavior without the knowledge of the user. You can help protect your system by installing this update from Microsoft. After you install this update, you may have to restart your system.
  • Supported Operating System

    Windows Vista 64-bit Editions Service Pack 1, Windows Vista Service Pack 2


      1. To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.
        • Click Run to start the installation immediately.
        • Click Save to copy the download to your computer for installation at a later time.
    • Other critical security updates are available: To find the latest security updates for you, visit Windows Update and click Express Install. To have the latest security updates delivered directly to your computer, visit the Security At Home web site and follow the steps to ensure you’re protected.
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