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    Microsoft .NET Framework 3.5 SP1, Windows Vista SP2, and Windows Server 2008 SP2 Update for x64-based Systems

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    This update addresses a set of known issues of the Microsoft .NET Framework 3.5 Service Pack 1.
    • 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

      File Name:

      Windows6.0-KB956250-v6001-x64.msu

      Windows6.0-KB979899-x64.msu

      Date Published:

      6/21/2010

      File Size:

      5.0 MB

      7.5 MB

      KB Articles: KB982525

        This update addresses a set of known issues of the Microsoft .NET Framework 3.5 Service Pack 1. After you install this item, you may have to restart your computer.
    • Supported Operating System

      Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

        1. Download and install all files in this download below.
        2. 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.
        3. 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 KB982525 for more information.
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