Article ID: 898549 - Last Review: September 27, 2011 - Revision: 4.0

FIX: The video may invert and turn green in Windows Media Player 10

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SYMPTOMS

In Microsoft Windows Media Player 10, you play a multiple-bit-rate video stream. When Windows Media Player 10 thins the video stream by selecting a lower bit rate, the video may invert and turn green.

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CAUSE

When Windows Media Player 10 thins the video stream by selecting a lower bit rate, sometimes Windows Media Player 10 must resize the video. When Windows Media Player 10 resizes the video, certain video formats give a negative size. This problem occurs because negative sizes are not appropriately handled in the underlying Microsoft Windows Media Format components.

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RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft. However, this hotfix is only intended to correct the problem that is described in this article. Only apply this hotfix to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next release that contains this hotfix.

Prerequisites

You must have the update that is described in Microsoft Knowledge Base (KB) article 891122 installed to apply this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

891122 (http://support.microsoft.com/kb/891122/EN-US/ ) An update for Windows Media Digital Rights Management-enabled players is available

Hotfix download information

The following file is available for download from the Microsoft Download Center:

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Download the WindowsMedia10-KB898549-x86-ENU.exe package now. (http://download.microsoft.com/download/8/3/e/83ec5fce-157d-46bb-8b3f-287aeda0f63a/WindowsMedia10-KB898549-x86-ENU.exe)

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 (http://support.microsoft.com/kb/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.

Hotfix file information

The English 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 tool in Control Panel.

   Date         Time   Version      Size       File name
   -------------------------------------------------------
   26-Apr-2005  11:59  10.0.0.3921  2,370,296  Wmvcore.dll

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