Symptoms

Assume that you use Internet Explorer 10 on a device that is running Windows 8. On the Advanced tab of the Internet Options dialog box, you clear the Play sounds in webpages option. In this situation, all instances of the Media Engine that were created by the browser and the Wwahost.exe process are muted.

For example, you play a media file by using a Windows store media app, such as Xbox Music or Pandora Music. In this situation, the audio output becomes unavailable.

Resolution

Security update information

To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to the following Microsoft website:

http://update.microsoft.com
Notes

  • This update was first included in the following security update:

    2792100 MS13-009: Cumulative Security Update for Internet Explorer: February 12, 2013

  • For more technical information about the most recent cumulative security update for Internet Explorer, go to the following Microsoft websites:

    http://www.microsoft.com/technet/security/current.aspx

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

Status

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

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