Windows RT, Windows 8, and Windows Server 2012 update rollup: September 2013

Applies to: Windows 8Windows 8 EnterpriseWindows 8 Pro

Important When you install this update (KB 2876415) from Windows Update, KB 2877211 is included in the installation.


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

Issues that this update fixes

This update package also fixes the issues that are documented in the following Microsoft Knowledge Base (KB) articles:
2836899 Explorer.exe process crashes when you press Alt+Tab in Windows 8 or in Windows Server 2012

2867081 RD Gateway stops processing connections in Windows Server 2012

2868116 Update is available to improve alter messaging when you run local executable files in Windows

2871343 You can’t uninstall an application by using Group Policy Software Installation in a Windows Server 2012-based domain

2874177 Notification does not display for a Windows Store App in Windows 8

2874752 Application crashes intermittently when it tries to retrieve OLE DB connection properties in Windows Server 2012

2875524 Printer Extensions window of a V4 printer driver freezes for some time in Windows 8 and Windows Server 2012

2875639 CAU UI does not work after you install update 2840632 in Windows 8 or Windows Server 2012

2876504 You cannot remove items from roamed Internet Explorer Favorites bar in Windows 8 or Windows Server 2012

2877211 Performance Monitor has incorrect calculation for certain types of counters in Windows 8 or in Windows Server 20122

More Information

Update information

How to obtain the update

Windows Update
This update is available from Windows Update.

  • This update is provided as a critical 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.
Microsoft Download Center
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 KB2876415.


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

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