December 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

Important When you install this update (3013769) from Windows Update, update 3004545 is included in the installation.

The December 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 resolves issues and includes performance and reliability improvements. We recommend that you apply this update rollup as part of your regular maintenance routines. Check out the fixed issues in this update. Also notice that there is a prerequisite and a restart requirement for installing this update.

Issues that this update resolves

This update package fixes the problems that are documented in the following Microsoft Knowledge Base articles.

Fixed issues

For Home Users:

For IT Professionals:

Known issues

The computer may crash after you apply update rollup 3013769 or any subsequent rollup because of components in some third-party anti-virus products. When this occurs, you receive the following error message:

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (kl1.sys)

Notes
- This problem applies to 32-bit Windows 8.1 editions.
- An installation of a Windows update typically creates a restore point to which the system can be rolled back in case the installation or the updates causes any problems.
Workaround
To work around this problem, follow these steps:
1. Restore your computer to an earlier state to roll back the update installation. To do this, follow these steps:
  1. Wait while your computer tries to restart. After two or more attempts, your system will start in “Automatic Repair” mode.
  2. On the Automatic Repair screen, click Advanced Options, and then click Troubleshoot.
  3. On the Troubleshoot menu, click Advanced Options.
  4. Tap or click System Restore, and then follow the instructions on the screen.
2. Restart Windows, and then uninstall the third-party antivirus product. To do this, follow these steps:
  1. Swipe in from the right edge of the screen, and then tap Search. (If you are using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.)
  2. In the search box, type control panel, and then tap or click Control Panel.
  3. Under View by, select Large Icons, and then tap or click Programs and features.
  4. Tap or click the program, and then tap or click Uninstall.
  5. Follow the instructions on the screen.
3. Optional: By default, Windows Defender is enabled. To verify this, follow these steps:
  1. Click Start, type defender in the search box, and then click Windows Defender in the results list.
  2. Follow the instructions on the screen.
4. Reapply rollup KB 3013769. To do this, follow these steps:
  1. Open Windows Update by swiping in from the right edge of the screen (or point to the lower-right corner of the screen and move the mouse pointer up), tap or click Settings, tap or click Change PC settings, and then tap or click Update and recovery.
  2. Tap or click Check now, and then wait while Windows searches for the latest updates for your computer.
  3. If updates are found, tap or click Install updates.
  4. Under Optional, select update 3013769, and then tap or click Install.
Text for DNS events is not rendered in DNS Manager mmc snap-in after you install August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2975719) or a later version of monthly updates on Windows Server 2012 R2-based DNS servers.

Workaround
To work around this problem, view DNS events by using the Event Viewer and Computer Management snap-ins.
Text for DNS events is not rendered in the Event Viewer and Computer Management snap-ins if December 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (3013769) was installed, but October 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (3995388) was not installed.

Resolution
Install update 3995388 before or after update 3013769 to prevent or resolve this problem.

How to obtain the update rollup

Method 1: Windows Update

This update is provided as an Optional update from Windows Update.

How to perform the update by using Windows Update

Open Windows Update by swiping in from the right edge of the screen (or point to the lower-right corner of the screen and move the mouse pointer up), tap or click Settings, tap or click Change PC settings, and then tap or click Update and recovery.
Tap or click Check now, and then wait while Windows looks for the latest updates for your computer.
If updates are found, tap or click Install updates.
Select update 3013769 under Optional, and then tap or click Install.

Note You might have to restart your computer to finish installing some updates. Save and close your files and apps before you restart so that you do not lose any work or data.

For more information about Windows Update, see frequently asked questions on Windows Update.

Method 2: Microsoft Download Center

You can also obtain the stand-alone update package through the Microsoft Download Center.

Download the x86-based Windows 8.1 update package now.

Download the x64-based Windows 8.1 update package now.

Download the x64-based Windows Server 2012 R2 update 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:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Update detail information

Prerequisites

To apply this update, you must first install update 2919355 on Windows 8.1 or Windows Server 2012 R2.

Restart information

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.

File information

File detail information

For a list of the files that are provided in this update 3013769, download the file information for update 3013769.

File hash information

The following table lists the thumbprints of the certificates that are used to sign the updates (.msu). Verify the certificate thumbprint in this Microsoft Knowledge Base article against the certificate thumbprint indicated on the update that you download.

File name	SHA1 and SHA2
Windows8.1-KB3013769-arm.msu	SHA1: 216740D6C014508D4454C6D6CE69E8F278813BB1 SHA256: F9E04FA21E44CA6F2521FF6BC5FFA10E4FF49A1ACBAD6F02DCE46FA689971378
Windows8.1-KB3013769-x64.msu	SHA1: 333FD115B90E8AD6D8111723AC03AEBD8A9D91FB SHA256: AFF4E6CD1A7999DD562E6F0C00CA14DAC76B68EB1BAB2718391FDE4AB2502780
Windows8.1-KB3013769-x86.msu	SHA1: 8ABC5EEC07AD26C155F3BF6958A430DFAAE2D6D4 SHA256: 1E4F62620DFB2CCC2ED3C69D894D7780DE11C0AC2B713B8931C668BAA27D4C8B
Windows8.1-KB3004545-arm.msu	SHA1: 6D9E2D181F3A7FFABC29191397AB7A64DB9B91DC SHA256: 82A3C5CF1E768BE44B33BCE777BDEBB1970E435E441B50A6C58CFD8C4FE01EB0
Windows8.1-KB3004545-x64.msu	SHA1: 462CE6DBCF30B8907BF1F742961661BA1B4A6412 SHA256: 4CFFDE8DEA363DD3FAA1885E8F784E180C1FF102E36267B3686CA0C01789E5E0
Windows8.1-KB3004545-x86.msu	SHA1: 1977CBA1F42E52A0F17A3C468F222B3C3509017D SHA256: 3F20FB9196590D89CC38FDE00E0ADA9F95A1ECA1F836DECCFE95E19AF87FD7ED

References

See the terminology that Microsoft uses to describe software updates.