This issue occurs when you repeatedly preview recorded videos in the Modern Camera app in Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2.
To resolve this issue, install update rollup 2955164. For more information about how to obtain update 2955164, click the following article number to view the article in the Microsoft Knowledge Base:
2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue occurs because the video synchronization object may encounter a race condition upon stopping the video stream under a stress condition. If this happens, the Modern Camera app cannot start a new video session, and therefore it cannot start the video recording operation.
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