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Microsoft KB Archive/925470

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Knowledge Base

FIX: You may experience high CPU utilization when you play back lots of content thousands of times in Windows Media Player 10

Article ID: 925470

Article Last Modified on 2/22/2007


  • Microsoft Windows Media Player 10


When you play back lots of content thousands of times in Microsoft Windows Media Player 10, you may experience high CPU utilization.

Note This problem occurs when the Playlist pane in the Now Playing area is hidden. To show or hide this pane, point to Now Playing Options on the View menu, and then click Show Playlist.


This problem occurs because no control is available to receive a timer status update message. Therefore, a timer object is not deleted, and memory and CPU utilization increases.


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

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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

[GRAPHIC: Download]Download the WindowsMedia10-KB925470-x86-INTL.exe 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.

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 item in Control Panel.

File name File version File size Date Time Platform
Wmp.dll 5,533,696 14-Sep-2006 00:17 x86


Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.

Additional query words: 1000 asx playlist eat memory hundred 100 cpu

Keywords: kbtshoot kbbug kbfix KB925470