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

A security issue has been identified that could allow an attacker to compromise your Windows-based system that is running the Microsoft .NET Framework and gain complete control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

• A security issue has been identified that could allow an attacker to compromise your Windows-based system that is running the Microsoft .NET Framework and gain complete control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

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
Windows6.1-KB983590-ia64.msu SHA1: 89fbe1b5925599958ff6d26c132bf0cdba8157f3	11.51 MB
Windows6.1-KB983590-x64.msu SHA1: ae4ca994313dfce41f66f23e15a55f019da5b239	11.03 MB
Windows6.1-KB983590-x86.msu SHA1: 295a4a6083c24eadd3aa0702d65e25166c1530af	5.86 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.