Legacy Update: Get back online, activate, and install updates on your legacy Windows PC

Update for Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows 2008 R2 - KB2836939

• Install this update to address a set of known compatibility and reliability issues with Microsoft .NET Framework 4. After you install this item, you may have to restart your computer. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article KB2836939 for more information.
  
  

Files

Status: Deleted This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

File	Size
NDP40-KB2836939-v3-IA64.exe SHA1: 3f3f99d6754bde40c59ba5f0fa7768fc85e33dd9	9.13 MB
NDP40-KB2836939-v3-x64.exe SHA1: 67c9fd2cb8030191326476a0436a4f5bc6758946	8.88 MB
NDP40-KB2836939-v3-x86.exe SHA1: 5f7e7f9811136bd3dfeb994d75a96aece646ea3d	5.33 MB

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  Note: More information about Service Pack levels currently supported for the platforms listed above can be found in the following page: Microsoft Product Support Lifecycle.

• 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.