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
NDP40-KB2446708-IA64.exe SHA1: e552fe22e0843c5a2fd3cc16beff9a0c9ee16f23	29.30 MB
NDP40-KB2446708-x64.exe SHA1: 208e58bd5bc032d49d53177892d511f4bc5623b5	23.09 MB
NDP40-KB2446708-x86.exe SHA1: 23332c0dfe9401cd52b048916f82d8e95d488371	11.07 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.