Assume that you run an application to play an MPEG4 video file on a computer that is running Windows 8. When you plug in or unplug an HDMI output device on the computer, the playback freezes for more than one minute. Note This issue occurs on the applications that use the MPEG4 Part2 video decoder.
This issue occurs because of an incorrect behavior in the MPEG4 video decoder.
Cumulative Update information
To resolve this issue, install the Windows 8 and Windows Server 2012 cumulative update 2795944. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2795944 Windows 8 and Windows Server 2012 cumulative update: February 2013
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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