Microsoft Download Center Archive

Security Update for Windows Vista (KB939778)

  • Published:
  • Version: 939778
  • Category: Security Patch
  • Language: English

A security issue has been identified in Subsystem for UNIX-based Applications that could allow an attacker to compromise your Windows-based system and gain control over it.

  • A security issue has been identified in Subsystem for UNIX-based Applications that could allow an attacker to compromise your Windows-based system and gain 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.

    This update is provided to you and licensed under the Windows Vista License Terms.
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
Windows6.0-KB939778-x86.msu
SHA1: d2e671c435c494c27fde41f782918f5c49bfb0b4
590 KB

System Requirements

Operating Systems: Windows Vista Enterprise, Windows Vista Ultimate


Installation Instructions


    1. To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.


      • Click Run to start the installation immediately.

      • Click Save to copy the download to your computer for installation at a later time.


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