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Windows 8.1 and Windows Server 2012 R2 update rollup: October 2013

Important KB 2898742 redirects you to this article (KB 2884846). When you install update package KB 2884846 from Windows Update, KB 2898742 is included in the installation of update package KB 2884846.
Summary
This article describes the update rollup for Windows 8.1 and Windows Server 2012 R2 that is dated October 2013. This update rollup package includes performance and reliability improvements for Windows 8.1 and Windows Server 2012 R2. We recommend that you apply this update rollup as part of your regular maintenance routines.

We recommend that you also apply the General Availability Update Rollup 2883200.
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 automatically installed.
  • If you select other Windows Update settings, we highly recommend that you immediately install this update through Windows Update.
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 KB2884846.

Prerequisites

To apply this update, you must be running Windows 8.1, Windows Server 2012 R2, or Windows RT 8.1.

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

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 file information notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.3.960 0.16 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
For Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Acgenral.dll6.3.9600.164199,72803-Oct-201309:35Not applicable
Acres.dll6.3.9600.16384310,78422-Aug-201303:16Not applicable
Acspecfc.dll6.3.9600.164199,72803-Oct-201309:08Not applicable
Acwinrt.dll6.3.9600.163848,70422-Aug-201302:15Not applicable
Camerautilities.dll6.3.9600.1641960,92803-Oct-201309:23Not applicable
Camerautilities.winmdNot applicable2,56022-Aug-201301:26Not applicable
Cdd.dll6.3.9600.16384155,64822-Aug-201303:12Not applicable
D3d11.dll6.3.9600.164191,646,57603-Oct-201310:22Not applicable
D3dcapturetrackercomponent.dll6.3.9600.16419780,80003-Oct-201309:22Not applicable
D3dcapturetrackercomponent.winmdNot applicable10,75222-Aug-201301:27Not applicable
Drvmain.sdbNot applicable55,05403-Oct-201305:03Not applicable
Dwmcore.dll6.3.9600.164191,692,67203-Oct-201308:12Not applicable
Dxgi.dll6.3.9600.16419389,93603-Oct-201310:22Not applicable
Dxgkrnl.sys6.3.9600.164191,249,12003-Oct-201310:28Not applicable
Dxgmms1.sys6.3.9600.16419314,72003-Oct-201310:28Not applicable
Lddmcore.ptxmlNot applicable2,46521-Aug-201323:33Not applicable
Microsoft-windows-desktopwindowmanager-compositor.ptxmlNot applicable4,06921-Aug-201323:33Not applicable
Mrmcorer.dll6.3.9600.16415647,16829-Sep-201303:01Not applicable
Msctf.dll6.3.9600.16418948,77602-Oct-201307:08Not applicable
Msimain.sdbNot applicable28603-Oct-201305:03Not applicable
Panocapd-pixelshader.csoNot applicable1,21618-Jun-201314:48Not applicable
Panocapd-vertexshader.csoNot applicable1,76018-Jun-201314:48Not applicable
Pc-bkg-pixelshader.csoNot applicable82818-Jun-201314:48Not applicable
Pc-bkg-vertexshader.csoNot applicable1,75218-Jun-201314:48Not applicable
Photosynthcontrols.dll6.3.9600.164191,209,34403-Oct-201309:24Not applicable
Photosynthcontrols.winmdNot applicable13,31222-Aug-201301:27Not applicable
Resources.ar-sa.priNot applicable3,94422-Aug-201312:29Not applicable
Resources.bg-bg.priNot applicable3,99222-Aug-201312:25Not applicable
Resources.cs-cz.priNot applicable3,94422-Aug-201312:29Not applicable
Resources.da-dk.priNot applicable3,92022-Aug-201312:13Not applicable
Resources.de-de.priNot applicable3,96822-Aug-201312:26Not applicable
Resources.el-gr.priNot applicable4,05622-Aug-201312:26Not applicable
Resources.en-gb.priNot applicable3,89622-Aug-201312:23Not applicable
Resources.en-us.priNot applicable3,89622-Aug-201303:47Not applicable
Resources.es-es.priNot applicable3,88022-Aug-201312:28Not applicable
Resources.et-ee.priNot applicable3,92822-Aug-201312:25Not applicable
Resources.fi-fi.priNot applicable3,94422-Aug-201312:28Not applicable
Resources.fr-fr.priNot applicable3,98422-Aug-201312:29Not applicable
Resources.he-il.priNot applicable3,88022-Aug-201312:27Not applicable
Resources.hr-hr.priNot applicable4,02422-Aug-201312:27Not applicable
Resources.hu-hu.priNot applicable3,98422-Aug-201312:26Not applicable
Resources.it-it.priNot applicable3,96022-Aug-201312:22Not applicable
Resources.ja-jp.priNot applicable3,76022-Aug-201312:21Not applicable
Resources.ko-kr.priNot applicable3,73622-Aug-201312:21Not applicable
Resources.lt-lt.priNot applicable3,99222-Aug-201312:29Not applicable
Resources.lv-lv.priNot applicable3,99222-Aug-201312:29Not applicable
Resources.nb-no.priNot applicable3,92022-Aug-201312:30Not applicable
Resources.nl-nl.priNot applicable3,92822-Aug-201312:27Not applicable
Resources.pl-pl.priNot applicable3,98422-Aug-201312:27Not applicable
Resources.priNot applicable11,72022-Aug-201301:30Not applicable
Resources.pt-br.priNot applicable3,89622-Aug-201312:26Not applicable
Resources.pt-pt.priNot applicable3,97622-Aug-201312:31Not applicable
Resources.ro-ro.priNot applicable4,02422-Aug-201312:19Not applicable
Resources.ru-ru.priNot applicable3,97622-Aug-201312:31Not applicable
Resources.sk-sk.priNot applicable4,00822-Aug-201312:19Not applicable
Resources.sl-si.priNot applicable3,99222-Aug-201312:19Not applicable
Resources.sr-latn-rs.priNot applicable4,01622-Aug-201312:13Not applicable
Resources.sv-se.priNot applicable3,89622-Aug-201312:31Not applicable
Resources.th-th.priNot applicable3,91222-Aug-201312:27Not applicable
Resources.tr-tr.priNot applicable4,00022-Aug-201312:27Not applicable
Resources.uk-ua.priNot applicable3,93622-Aug-201312:28Not applicable
Resources.zh-cn.priNot applicable3,69622-Aug-201312:28Not applicable
Resources.zh-hk.priNot applicable3,68822-Aug-201312:27Not applicable
Resources.zh-tw.priNot applicable3,68822-Aug-201312:28Not applicable
Stitcherrt.dll6.3.9600.164191,138,17603-Oct-201309:29Not applicable
Stitcherrt.winmdNot applicable3,07222-Aug-201301:27Not applicable
Sysmain.sdbNot applicable34,92003-Oct-201305:03Not applicable
Windows store.lnkNot applicable2,19121-Aug-201323:31Not applicable
Windows.applicationmodel.store.dll6.3.9600.16384209,40822-Aug-201302:09Not applicable
Windows.applicationmodel.store.testingframework.dll6.3.9600.16415202,24029-Sep-201303:21Not applicable
Windows.devices.sensors.dll6.3.9600.16419230,40003-Oct-201308:12Not applicable
Windows.media.streaming.dll12.0.9600.16416936,96001-Oct-201303:06Not applicable
Winstore.cssNot applicable18,25418-Jun-201315:07Not applicable
Winstore.htmNot applicable75618-Jun-201315:07Not applicable
Winstore.jsNot applicable53,83829-Sep-201302:50Not applicable
Winstore.ui.winmdNot applicable17,92021-Aug-201323:34Not applicable
Winstoreui.dll6.3.9600.16415846,84829-Sep-201303:03Not applicable
Winstoreui-ppdlic.xrm-msNot applicable2,88529-Sep-201305:32Not applicable
Wserror.htmNot applicable1,58529-Jul-201317:27Not applicable
Wsshared.dll6.3.9600.16415680,44829-Sep-201303:05Not applicable
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Acgenral.dll6.3.9600.164192,413,56803-Oct-201309:42x86
Acres.dll6.3.9600.16384310,78422-Aug-201304:16x86
Acspecfc.dll6.3.9600.16419442,88003-Oct-201309:48x86
Acwinrt.dll6.3.9600.163848,70422-Aug-201302:47x86
Camerautilities.dll6.3.9600.1641961,95203-Oct-201310:33x86
Camerautilities.winmdNot applicable2,56022-Aug-201301:43Not applicable
Cdd.dll6.3.9600.16384178,68822-Aug-201305:22x86
D3d11.dll6.3.9600.164191,765,38403-Oct-201312:53x86
D3dcapturetrackercomponent.dll6.3.9600.164191,146,36803-Oct-201310:32x86
D3dcapturetrackercomponent.winmdNot applicable10,75222-Aug-201301:44Not applicable
Drvmain.sdbNot applicable114,18603-Oct-201305:13Not applicable
Dwmcore.dll6.3.9600.164191,765,37603-Oct-201309:07x86
Dxgi.dll6.3.9600.16419406,40003-Oct-201312:53x86
Dxgkrnl.sys6.3.9600.164191,306,96803-Oct-201312:54x86
Dxgmms1.sys6.3.9600.16419320,85603-Oct-201312:54x86
Lddmcore.ptxmlNot applicable2,46521-Aug-201323:38Not applicable
Microsoft-windows-desktopwindowmanager-compositor.ptxmlNot applicable4,06921-Aug-201323:39Not applicable
Mrmcorer.dll6.3.9600.16415621,05629-Sep-201303:44x86
Msctf.dll6.3.9600.164181,018,96002-Oct-201309:47x86
Msimain.sdbNot applicable2,726,59203-Oct-201305:13Not applicable
Panocapd-pixelshader.csoNot applicable1,21618-Jun-201312:26Not applicable
Panocapd-vertexshader.csoNot applicable1,76018-Jun-201312:26Not applicable
Pc-bkg-pixelshader.csoNot applicable82818-Jun-201312:26Not applicable
Pc-bkg-vertexshader.csoNot applicable1,75218-Jun-201312:26Not applicable
Photosynthcontrols.dll6.3.9600.164191,153,02403-Oct-201310:34x86
Photosynthcontrols.winmdNot applicable13,31222-Aug-201301:44Not applicable
Resources.ar-sa.priNot applicable3,94422-Aug-201311:48Not applicable
Resources.bg-bg.priNot applicable3,99222-Aug-201311:43Not applicable
Resources.cs-cz.priNot applicable3,94422-Aug-201311:48Not applicable
Resources.da-dk.priNot applicable3,92022-Aug-201311:16Not applicable
Resources.de-de.priNot applicable3,96822-Aug-201311:49Not applicable
Resources.el-gr.priNot applicable4,05622-Aug-201311:43Not applicable
Resources.en-gb.priNot applicable3,89622-Aug-201311:33Not applicable
Resources.en-us.priNot applicable3,89622-Aug-201305:17Not applicable
Resources.es-es.priNot applicable3,88022-Aug-201311:49Not applicable
Resources.et-ee.priNot applicable3,92822-Aug-201311:43Not applicable
Resources.fi-fi.priNot applicable3,94422-Aug-201311:47Not applicable
Resources.fr-fr.priNot applicable3,98422-Aug-201311:47Not applicable
Resources.he-il.priNot applicable3,88022-Aug-201311:47Not applicable
Resources.hr-hr.priNot applicable4,02422-Aug-201311:47Not applicable
Resources.hu-hu.priNot applicable3,98422-Aug-201311:49Not applicable
Resources.it-it.priNot applicable3,96022-Aug-201311:47Not applicable
Resources.ja-jp.priNot applicable3,76022-Aug-201311:47Not applicable
Resources.ko-kr.priNot applicable3,73622-Aug-201311:47Not applicable
Resources.lt-lt.priNot applicable3,99222-Aug-201311:43Not applicable
Resources.lv-lv.priNot applicable3,99222-Aug-201311:43Not applicable
Resources.nb-no.priNot applicable3,92022-Aug-201311:43Not applicable
Resources.nl-nl.priNot applicable3,92822-Aug-201311:45Not applicable
Resources.pl-pl.priNot applicable3,98422-Aug-201311:45Not applicable
Resources.priNot applicable11,72022-Aug-201301:43Not applicable
Resources.pt-br.priNot applicable3,89622-Aug-201311:45Not applicable
Resources.pt-pt.priNot applicable3,97622-Aug-201311:47Not applicable
Resources.ro-ro.priNot applicable4,02422-Aug-201311:48Not applicable
Resources.ru-ru.priNot applicable3,97622-Aug-201311:47Not applicable
Resources.sk-sk.priNot applicable4,00822-Aug-201311:40Not applicable
Resources.sl-si.priNot applicable3,99222-Aug-201311:49Not applicable
Resources.sr-latn-rs.priNot applicable4,01622-Aug-201311:16Not applicable
Resources.sv-se.priNot applicable3,89622-Aug-201311:47Not applicable
Resources.th-th.priNot applicable3,91222-Aug-201311:33Not applicable
Resources.tr-tr.priNot applicable4,00022-Aug-201311:33Not applicable
Resources.uk-ua.priNot applicable3,93622-Aug-201311:33Not applicable
Resources.zh-cn.priNot applicable3,69622-Aug-201311:37Not applicable
Resources.zh-hk.priNot applicable3,68822-Aug-201311:35Not applicable
Resources.zh-tw.priNot applicable3,68822-Aug-201311:37Not applicable
Stitcherrt.dll6.3.9600.164191,408,00003-Oct-201310:40x86
Stitcherrt.winmdNot applicable3,07222-Aug-201301:45Not applicable
Sysmain.sdbNot applicable3,765,89003-Oct-201305:13Not applicable
Windows store.lnkNot applicable2,19121-Aug-201323:43Not applicable
Windows.applicationmodel.store.dll6.3.9600.16384208,89622-Aug-201302:39x86
Windows.applicationmodel.store.testingframework.dll6.3.9600.16415189,95229-Sep-201303:50x86
Windows.devices.sensors.dll6.3.9600.16419225,79203-Oct-201309:02x86
Windows.media.streaming.dll12.0.9600.16416977,40801-Oct-201303:36x86
Winstore.cssNot applicable18,25418-Jun-201312:42Not applicable
Winstore.htmNot applicable75618-Jun-201312:42Not applicable
Winstore.jsNot applicable53,83829-Sep-201303:06Not applicable
Winstore.ui.winmdNot applicable17,92021-Aug-201323:40Not applicable
Winstoreui.dll6.3.9600.16415861,69629-Sep-201303:26x86
Winstoreui-ppdlic.xrm-msNot applicable2,88529-Sep-201307:49Not applicable
Wserror.htmNot applicable1,58529-Jul-201317:24Not applicable
Wsshared.dll6.3.9600.16415698,88029-Sep-201303:28x86
For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Acgenral.dll6.3.9600.16419289,79203-Oct-201310:18x64
Acres.dll6.3.9600.16384310,78422-Aug-201304:16x86
Acspecfc.dll6.3.9600.1641941,47203-Oct-201310:27x64
Acwinrt.dll6.3.9600.1638410,24022-Aug-201309:54x64
Camerautilities.dll6.3.9600.1638468,60822-Aug-201311:16x64
Camerautilities.winmdNot applicable2,56022-Aug-201308:31Not applicable
Cdd.dll6.3.9600.16384212,99222-Aug-201312:36x64
D3d11.dll6.3.9600.164192,140,88803-Oct-201314:05x64
D3dcapturetrackercomponent.dll6.3.9600.164191,321,98403-Oct-201311:24x64
D3dcapturetrackercomponent.winmdNot applicable10,75222-Aug-201308:32Not applicable
Drvmain.sdbNot applicable115,29403-Oct-201305:08Not applicable
Dwmcore.dll6.3.9600.164192,144,76803-Oct-201309:29x64
Dxgi.dll6.3.9600.16419516,49603-Oct-201314:05x64
Dxgkrnl.sys6.3.9600.164191,537,88003-Oct-201314:07x64
Dxgmms1.sys6.3.9600.16419382,80803-Oct-201314:07x64
Lddmcore.ptxmlNot applicable2,46522-Aug-201306:44Not applicable
Microsoft-windows-desktopwindowmanager-compositor.ptxmlNot applicable4,06922-Aug-201306:44Not applicable
Mrmcorer.dll6.3.9600.16415909,31229-Sep-201304:00x64
Msctf.dll6.3.9600.164181,286,55202-Oct-201311:00x64
Msimain.sdbNot applicable2,757,15203-Oct-201305:08Not applicable
Panocapd-pixelshader.csoNot applicable1,21618-Jun-201314:52Not applicable
Panocapd-vertexshader.csoNot applicable1,76018-Jun-201314:52Not applicable
Pc-bkg-pixelshader.csoNot applicable82818-Jun-201314:52Not applicable
Pc-bkg-vertexshader.csoNot applicable1,75218-Jun-201314:52Not applicable
Photosynthcontrols.dll6.3.9600.164191,394,17603-Oct-201311:27x64
Photosynthcontrols.winmdNot applicable13,31222-Aug-201308:32Not applicable
Resources.ar-sa.priNot applicable3,94422-Aug-201319:35Not applicable
Resources.bg-bg.priNot applicable3,99222-Aug-201319:34Not applicable
Resources.cs-cz.priNot applicable3,94422-Aug-201319:36Not applicable
Resources.da-dk.priNot applicable3,92022-Aug-201319:19Not applicable
Resources.de-de.priNot applicable3,96822-Aug-201319:50Not applicable
Resources.el-gr.priNot applicable4,05622-Aug-201319:34Not applicable
Resources.en-gb.priNot applicable3,89622-Aug-201319:24Not applicable
Resources.en-us.priNot applicable3,89622-Aug-201312:31Not applicable
Resources.es-es.priNot applicable3,88022-Aug-201319:51Not applicable
Resources.et-ee.priNot applicable3,92822-Aug-201319:33Not applicable
Resources.fi-fi.priNot applicable3,94422-Aug-201319:38Not applicable
Resources.fr-fr.priNot applicable3,98422-Aug-201319:36Not applicable
Resources.he-il.priNot applicable3,88022-Aug-201319:39Not applicable
Resources.hr-hr.priNot applicable4,02422-Aug-201319:37Not applicable
Resources.hu-hu.priNot applicable3,98422-Aug-201319:49Not applicable
Resources.it-it.priNot applicable3,96022-Aug-201319:40Not applicable
Resources.ja-jp.priNot applicable3,76022-Aug-201319:40Not applicable
Resources.ko-kr.priNot applicable3,73622-Aug-201319:40Not applicable
Resources.lt-lt.priNot applicable3,99222-Aug-201319:36Not applicable
Resources.lv-lv.priNot applicable3,99222-Aug-201319:36Not applicable
Resources.nb-no.priNot applicable3,92022-Aug-201319:36Not applicable
Resources.nl-nl.priNot applicable3,92822-Aug-201319:38Not applicable
Resources.pl-pl.priNot applicable3,98422-Aug-201319:38Not applicable
Resources.priNot applicable11,72022-Aug-201308:30Not applicable
Resources.pt-br.priNot applicable3,89622-Aug-201319:38Not applicable
Resources.pt-pt.priNot applicable3,97622-Aug-201319:48Not applicable
Resources.ro-ro.priNot applicable4,02422-Aug-201319:32Not applicable
Resources.ru-ru.priNot applicable3,97622-Aug-201319:47Not applicable
Resources.sk-sk.priNot applicable4,00822-Aug-201319:32Not applicable
Resources.sl-si.priNot applicable3,99222-Aug-201319:31Not applicable
Resources.sr-latn-rs.priNot applicable4,01622-Aug-201319:19Not applicable
Resources.sv-se.priNot applicable3,89622-Aug-201319:48Not applicable
Resources.th-th.priNot applicable3,91222-Aug-201319:44Not applicable
Resources.tr-tr.priNot applicable4,00022-Aug-201319:44Not applicable
Resources.uk-ua.priNot applicable3,93622-Aug-201319:44Not applicable
Resources.zh-cn.priNot applicable3,69622-Aug-201319:23Not applicable
Resources.zh-hk.priNot applicable3,68822-Aug-201319:25Not applicable
Resources.zh-tw.priNot applicable3,68822-Aug-201319:23Not applicable
Stitcherrt.dll6.3.9600.164191,687,04003-Oct-201311:33x64
Stitcherrt.winmdNot applicable3,07222-Aug-201308:32Not applicable
Sysmain.sdbNot applicable408,07203-Oct-201305:08Not applicable
Windows store.lnkNot applicable2,19122-Aug-201306:48Not applicable
Windows.applicationmodel.store.dll6.3.9600.16384299,00822-Aug-201309:41x64
Windows.applicationmodel.store.testingframework.dll6.3.9600.16415249,85629-Sep-201304:08x64
Windows.devices.sensors.dll6.3.9600.16419294,40003-Oct-201309:16x64
Windows.media.streaming.dll12.0.9600.164161,217,02401-Oct-201303:42x64
Winstore.cssNot applicable18,25418-Jun-201315:07Not applicable
Winstore.htmNot applicable75618-Jun-201315:07Not applicable
Winstore.jsNot applicable53,83829-Sep-201303:06Not applicable
Winstore.ui.winmdNot applicable17,92022-Aug-201306:45Not applicable
Winstoreui.dll6.3.9600.164151,062,40029-Sep-201303:31x64
Winstoreui-ppdlic.xrm-msNot applicable2,88529-Sep-201309:21Not applicable
Wserror.htmNot applicable1,58529-Jul-201317:25Not applicable
Wsshared.dll6.3.9600.16415837,12029-Sep-201303:37x64
References
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
Properties

Article ID: 2884846 - Last Review: 10/17/2013 10:54:00 - Revision: 1.0

Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows Server 2012 R2 Standard, Windows RT 8.1

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