Windows Media Player 12 does not play all the media files in an ASX playlist on a computer that is running Windows 7

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Article ID: 977314 - View products that this article applies to.
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SYMPTOMS

You use Windows Media Player 12 to play an Advanced Stream Redirector (ASX) playlist on a computer that is running Windows 7. However, Windows Media Player 12 stops playing media files before the end of the playlist is reached.

This issue occurs when the following conditions are true:
  • The ASX playlist contains a nested ASX playlist.
  • The nested ASX playlist contains various types of media file, such as .jpg, .swf, and .wmv files.
Note This issue does not occur in Windows Media Player 11.

CAUSE

This issue occurs because Windows Media Player 12 does not correctly recognize the ASX playlist.

Windows Media Player 12 tries to determine the file type of a playlist before the playlist is completely loaded. However, Windows Media Player 12 cannot determine the correct file type until the playlist is completely loaded. If an ASX playlist contains a nested ASX playlist that contains various types of media file, Windows Media Player 12 may take a long time to load the whole playlist. This causes Windows Media Player 12 to incorrectly identify the playlist as another file type. Therefore, this issue occurs.

RESOLUTION

Hotfix information

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

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

There are no prerequisites.

Registry information

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

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The Global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 file information notes
For all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Avtransport.xml19,84222-Jul-200923:23Not Applicable
Connectionmanager_dmr.xml5,37522-Jul-200923:23Not Applicable
Dmr_120.jpg2,97922-Jul-200923:23Not Applicable
Dmr_120.png14,87622-Jul-200923:23Not Applicable
Dmr_48.jpg1,22022-Jul-200923:23Not Applicable
Dmr_48.png4,26522-Jul-200923:23Not Applicable
Dxmasf.dll12.0.7600.205764,09616-Nov-200906:40x86
Msdxm.ocx12.0.7600.205764,09616-Nov-200906:40x86
Prod_wmpplayer.ptxml1,39916-Nov-200900:27Not Applicable
Renderingcontrol.xml6,36322-Jul-200923:23Not Applicable
Spwmp.dll6.1.7600.205768,19216-Nov-200906:40x86
Wmp.dll12.0.7600.2057611,406,84816-Nov-200906:40x86
Wmp.mof4,88722-Jul-200923:22Not Applicable
Wmpconfig.exe12.0.7600.20576101,88816-Nov-200906:39x86
Wmplayer.exe12.0.7100.0164,86416-Nov-200906:39x86
Wmploc.dll12.0.7600.2057612,625,40816-Nov-200906:38x86
Wmpplayer-ppdlic.xrm-ms3,12316-Nov-200906:48Not Applicable
Wmpshare.exe12.0.7600.20576102,40016-Nov-200906:39x86
For all supported x64-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Avtransport.xml19,84222-Jul-200923:36Not Applicable
Connectionmanager_dmr.xml5,37522-Jul-200923:36Not Applicable
Dmr_120.jpg2,97922-Jul-200923:36Not Applicable
Dmr_120.png14,87622-Jul-200923:36Not Applicable
Dmr_48.jpg1,22022-Jul-200923:36Not Applicable
Dmr_48.png4,26522-Jul-200923:36Not Applicable
Dxmasf.dll12.0.7600.205765,12016-Nov-200907:45x64
Msdxm.ocx12.0.7600.205765,12016-Nov-200907:45x64
Prod_wmpplayer.ptxml1,39916-Nov-200900:26Not Applicable
Renderingcontrol.xml6,36322-Jul-200923:36Not Applicable
Spwmp.dll6.1.7600.205769,72816-Nov-200907:45x64
Wmp.dll12.0.7600.2057614,630,91216-Nov-200907:45x64
Wmp.mof4,88722-Jul-200923:36Not Applicable
Wmpconfig.exe12.0.7600.20576102,40016-Nov-200907:44x64
Wmplayer.exe12.0.7100.0167,42416-Nov-200907:44x64
Wmploc.dll12.0.7600.2057612,625,92016-Nov-200907:43x64
Wmpplayer-ppdlic.xrm-ms3,12316-Nov-200907:53Not Applicable
Wmpshare.exe12.0.7600.20576102,91216-Nov-200907:44x64
Avtransport.xml19,84222-Jul-200923:23Not Applicable
Connectionmanager_dmr.xml5,37522-Jul-200923:23Not Applicable
Dmr_120.jpg2,97922-Jul-200923:23Not Applicable
Dmr_120.png14,87622-Jul-200923:23Not Applicable
Dmr_48.jpg1,22022-Jul-200923:23Not Applicable
Dmr_48.png4,26522-Jul-200923:23Not Applicable
Dxmasf.dll12.0.7600.205764,09616-Nov-200906:40x86
Msdxm.ocx12.0.7600.205764,09616-Nov-200906:40x86
Prod_wow64_wmpplayer.ptxml1,39916-Nov-200900:27Not Applicable
Renderingcontrol.xml6,36322-Jul-200923:23Not Applicable
Spwmp.dll6.1.7600.205768,19216-Nov-200906:40x86
Wmp.dll12.0.7600.2057611,406,84816-Nov-200906:40x86
Wmp.mof4,88722-Jul-200923:22Not Applicable
Wmpconfig.exe12.0.7600.20576101,88816-Nov-200906:39x86
Wmplayer.exe12.0.7100.0164,86416-Nov-200906:39x86
Wmploc.dll12.0.7600.2057612,625,40816-Nov-200906:38x86
Wmpshare.exe12.0.7600.20576102,40016-Nov-200906:39x86

STATUS

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

MORE INFORMATION

For more information about software update terminology, 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
For more information about ASX elements, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/ms910265.aspx
For more information about media types that are supported in Windows Media Center, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/bb189661.aspx

Properties

Article ID: 977314 - Last Review: December 23, 2009 - Revision: 1.0
APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Ultimate
Keywords: 
kbexpertiseinter kbfix kbhotfixserver kbqfe kbautohotfix kbsurveynew kbprb KB977314

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