Microsoft Download Center Archive

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

  • Published:
  • Version: 2.0
  • Category: Security Patch
  • Language: English

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it.

  • A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may have to restart your system.
Knowledge Base Articles:
Security Bulletins:

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.

FileSize
Windows6.1-KB2911501-ia64.msu
SHA1: 52b266c032bc98ee3deb9263a09e92abf3e5333f
767 KB
Windows6.1-KB2911501-x64.msu
SHA1: 8c304d7a8a79af75507086623dc8873eb2fd28c0
772 KB
Windows6.1-KB2911501-x86.msu
SHA1: 5a0d066e5a944d4568d34a4c19ccb050c3dcc069
767 KB

System Requirements

Operating Systems: Windows 7 Service Pack 1, Windows Server 2008 R2 SP1

Installation Instructions

    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.