Assume that you play a video in Internet Explorer by using a HTML5 video player in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. In this scenario, when you try to change the video speed by clicking the on-screen control in the HTML5 video player, a loading indicator pops up in the middle of the video and does not disappear.
To resolve this issue, install update rollup 2995388. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
2995388 October 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2
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