Article ID: 920872
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SYMPTOMS

You may experience one or more of the following symptoms when you try to play audio files on a computer that is running Microsoft Windows XP Service Pack 2 (SP2):
  • When you resume audio playback after you pause it, the audio playback does not play the audio file from the correct position. Instead, the audio playback resumes from a random position on the audio track.
  • You randomly receive the following Stop error message during audio file playback:
    Stop 0x0000004E
    PFN_LIST_CORRUPT
  • You randomly receive a Stop error message when you try to capture audio.

RESOLUTION

Update information

The following file is available for download from the Microsoft Download Center:
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Download
Download the KB920872 package now. Release Date: August 17, 2006

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.

Prerequisites

To install this update, you must have Windows XP Service Pack 2 (SP2) installed on the computer.

Restart requirement

You do not have to restart the computer after you install this update.

Note If one or more of the following audio drivers are being used when you install this update, you must restart the computer. This enables the functionality of the following files:
  • Kmixer.sys
  • Splitter.sys
  • Wdmaud.sys

Update replacement information

This update does not replace any other updates.

File information

The English version of this update 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.
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File nameFile versionFile sizeDateTimePlatformService pack requirementService branch
Kmixer.sys5.1.2600.2929172,41614-Jun-200608:50x86SP2SP2QFE
Splitter.sys5.1.2600.29296,27214-Jun-200608:50x86SP2SP2QFE
Wdmaud.sys5.1.2600.292982,94414-Jun-200609:17x86SP2SP2QFE
Note The drivers may not be updated during the installation on a Windows XP Service Pack 2 (SP2)-based computer when the drivers are unsigned. In this case, Windows Update continually offers the package. To resolve this problem, follow these steps:
  1. Download the update for Windows XP (KB920872). To do this, visit the following Microsoft Web site:
    http://www.microsoft.com/downloads/details.aspx?FamilyID=8c2e44a5-6a28-4888-93a7-6a6c6a87be7f&displaylang=en&Hash=7LFJN64
  2. Save the package to a local drive. For example, save the package to drive C.
  3. Click Start, click Run, type C:\WindowsXP-KB920872-x86-ENU.exe /o, and then click OK.

STATUS

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

MORE INFORMATION

The Kmixer.sys file, the Splitter.sys file, and the Wdmaud.sys file are Windows audio driver files. These files perform the following functions:
  • Enable audio devices
  • Enable audio playback
  • Allow for the audio device to record audio and to pass the data to programs
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 920872 - Last Review: October 9, 2011 - Revision: 3.0
Keywords: 
kbdriver kbsound kbwinxppresp3fix atdownload kbfix kbbug kbqfe KB920872

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