This update fixes the following issues in Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1.
Assume that you use a Windows Store app on a computer. When you quickly interact with the UI of the app (for example, you keep clicking a button), the app may crash.
When you try to print by using a printer driver that use non-square pixel resolutions, Windows may not print correctly.
To resolve these issues, install update rollup 2911106. For more information about how to obtain this update rollup package, click the following article number to go to the article in the Microsoft Knowledge Base:
2911106 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: January 2014
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