Windows 8 and Windows Server 2012 update rollup: March 2013

Applies to: Windows 8Windows 8 EnterpriseWindows 8 Pro

Important The following Microsoft Knowledge Base (KB) articles redirect you to this article:
  • 2815769
  • 2800088
  • 2812829
  • 2823233
These updates are included in update 2811660 when you install it by using Windows Update.


This article describes the update rollup for Windows 8 and for Windows Server 2012 that is dated March 2013. This update rollup package includes performance and reliability improvements for Windows 8 and for Windows Server 2012. We recommend that you apply this update rollup as part of your regular maintenance routines.

Issues that this update fixes

This update package resolves the following issues:
  • Improves reliability of USB 3.0 device initialization.
  • Resolves an issue in which the On-Screen Keyboard displays incorrectly when you use a RemoteApp app.  
  • Resolves an issue that could cause errors when you manage a Group Policy Object (GPO) that has software installation settings.  
  • Improves Wi-Fi reliability when Windows 8 devices resume from hybrid sleep.  
  • Provides consistent rendering of bold text for some Windows 8 apps when compared to earlier versions of Windows.
  • Resolves an issue in which memory dumps are not created for MPIO boot environments.
This update package also fixes the issues that are documented in the following KB articles:
2732840 Tasklist.exe tool displays no process information on a computer that is running Windows

2785146 Data is corrupted when there is insufficient memory on a Windows-based computer

2789397 Data corruption and network issues when you run a WFP-based application on a computer that is running Windows

2792867 Virtual switch extension cannot send packets over different network adapters in Windows Server 2012

2793908 Memory leak occurs in the Wmimgmt.exe process on a computer that is running Windows Server 2012

2796620 Application that uses the DirectComposition API does not work correctly in Windows RT, Windows 8, or Windows Server 2012

2798040 You cannot stop a process by using the Taskkill.exe utility in Windows

2800086 Windows Store apps can't connect to the Internet over PPPoE in Windows 8

2800185 Windows Error Reporting reports a crash when you shut down a computer that is running Windows RT, Windows 8, or Windows Server 2012

2809153 Sound is not playing from the paired Bluetooth audio device after you reconnect the device to a Windows 8-based or Windows RT-based computer

More Information

Update information

How to obtain the update

This update is available from Windows Update.

  • This update is provided as an important update.
  • If you select the Install updates automatically (recommended) Windows Update setting, this update is installed automatically.
  • If you select other Windows Update settings, we highly recommend that you install this update through Windows Update immediately.
You can also obtain the stand-alone update package through the Microsoft Download Center. For more information, go to the Microsoft Download Center, and then search for "KB2811660."


To apply this update, you must be running Windows 8 or Windows Server 2012. 

If you are installing the stand-alone packages from the Microsoft Download Center on a Windows Server 2012-based computer, you must have the Media Foundation feature enabled. Otherwise, you cannot install the KB 2823233 package, and you will receive a "The update is not applicable to your computer" message. The Media Foundation feature is automatically added if the Desktop Experience feature is installed.

Restart information

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.


For more information about Windows Update, go to the following Microsoft websites: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