Developer Tools

    Security Update for Microsoft .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1

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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.
    • Note:There are multiple files available for this download.Once you click on the "Download" button, you will be prompted to select the files you need.
      Version:

      3.5.1

      File Name:

      Windows6.1-KB2804579-x86.msu

      Windows6.1-KB2804579-ia64.msu

      Windows6.1-KB2804579-x64.msu

      Date Published:

      5/9/2013

      File Size:

      464 KB

      324 KB

      474 KB

      KB Articles: KB2804579

      Security bulletins:MS13-040

        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 7 Service Pack 1, Windows Server 2008 R2 SP1

        1. Click the Download button on this page to start the download, or select a different language from the Change language drop-down list and click Change.
        2. Do one of the following:
          • To start the installation immediately, click Run.
          • To save the download to your computer for installation at a later time, click Save.
          • To cancel the installation, click Cancel.
      • Please see the Knowledge Base Article KB2804579 for more information.

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