FIX: The video application crashes when you play a video if five or more monitors are attached to the computer

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If five or more monitors are attached to a Windows Vista computer, a video playback application such as Windows Media Player crashes.
The Enhanced Video Renderer (EVR) does not correctly display video when five or more monitors are attached.

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, obtain the hotfix from the Microsoft Download Center.

Download information

The following files are available for download from the MicrosoftDownload Center:
Windows Vista, 32-bit versions (all languages)
DownloadDownload the Windows6.0-KB950489-x86.msu package now.
Windows Vista, 64-bit versions (all languages)
DownloadDownload the Windows6.0-KB950489-x64.msu package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.


No prerequisites are required.

Restart requirement

You have to restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other previously released hotfixes.

Registry information

To use this hotfix, you do not have to make any changes to the registry.

The global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista
File nameFile versionFile sizeDateTimePlatform
Windows Vista Service Pack 1
File nameFile versionFile sizeDateTimePlatform
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.
More information

Steps to reproduce the problem

  1. Put three video cards in a computer that is running Windows Vista. Each video card supports two monitors.
  2. Attach two monitors to each video card.
  3. In Windows Media Player, play a video.
On computers that do not have this hotfix, only four monitors are supported.

Article ID: 950489 - Last Review: 01/16/2015 17:40:50 - Revision: 3.0

  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
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