- You install update 2919355 on a computer that is running Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.
- You have a device that uses the AVStream class (such as a Bluetooth, USB, or PCI device) connected to the computer.
- The computer sleeps or wakes.
How to obtain this update
Windows UpdateThis update is available from Windows Update.
Microsoft Download CenterThe following files are available for download from the Microsoft Download Center:
|All supported x86-based versions of Windows 8.1||Download the package now.|
|All supported x64-based versions of Windows 8.1||Download the package now.|
|All supported x64-based versions of Windows Server 2012 R2||Download the package now.|
Note The update for Windows RT 8.1 can be obtained only from Windows Update.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
PrerequisitesTo apply this update, you must be running Windows 8.1 or Windows Server 2012 R2.
Registry informationTo apply this update, you do not have to make any changes to the registry.
Restart requirementYou may have to restart the computer after you apply this update.
Update replacement informationThis update does not replace a previously released update.
Article ID: 2966804 - Last Review: 10 Jun 2014 - Revision: 1