On a Windows 8.1-based computer that has certain MediaTek (formerly known as Ralink) drivers installed, the computer may crash. Additionally, you receive a Stop error message that resembles the following:
To resolve this issue, install update 2917488 or update 2919355. For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014
Update information for update 2917488
How to obtain this update
This update is offered when you upgrade to the release version of Windows 8.1.
To apply this update, you must be upgrading to Windows 8.1.
To apply this update, you do not have to make any changes to the registry.
You do not have to restart the computer after you apply this update.
Update replacement information
This update does not replace a previously released update.
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
Third-party information disclaimer
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.