Win32k.sys update in Windows: October 2015

This article describes an update that fixes some issues in Windows 8.1,Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1. Before you install this update, check out the Prerequisites section.
Issues fixed in this update
  • Removes the Touch Hardware Quality Assurance (THQA) certification verification check in the Win32k.sys driver in Windows 8.1.
  • Font files remain open by the system, and can't be deleted when they're used in a call to CreateScalableFontResource in Windows Server 2012 R2.
  • Fixes a crash in Win32k.sys in Windows 7 SP1 or Windows Server 2008 R2 SP1.
How to get this update
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as an Optional update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:
Operating systemUpdate
All supported x86-based versions of Windows 8.1DownloadDownload the package now.
All supported x64-based versions of Windows 8.1 DownloadDownload the package now.
All supported x64-based versions of Windows Server 2012 R2DownloadDownload the package now.
All supported x86-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows Server 2008 R2DownloadDownload the package now.
All supported IA-64-based versions of Windows Server 2008 R2DownloadDownload the package now.
Note The update for Windows RT 8.1 can be downloaded only from Windows Update.

For more information about how to download Microsoft support files, select the following article number to view the article in the Microsoft Knowledge Base:
119591 How to get 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 have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
See the terminology that Microsoft uses to describe software updates.
File Information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2

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 0.18 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Win32k.ptxmlNot applicable4,21321-Aug-201323:33Not applicable
Win32k.sys6.3.9600.180563,092,99215-Sep-201514:29Not applicable
x86 Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Win32k.ptxmlNot applicable4,21321-Aug-201323:39Not applicable
Win32k.sys6.3.9600.180563,523,58415-Sep-201514:25x86
x64 Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Win32k.ptxmlNot applicable4,21322-Aug-201306:44Not applicable
Win32k.sys6.3.9600.180564,176,38415-Sep-201514:29x64
Wow64_win32k.ptxmlNot applicable4,21321-Aug-201323:39Not applicable

Windows 7 and Windows Server 2008 R2

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:
    Version Product Milestone Service branch
    6.1.760 1.19 xxxWindows 7 or Windows Server 2008 R2 SP1GDR
    6.1.760 1.23 xxxWindows 7 or Windows Server 2008 R2 SP1 LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
x64 Windows 7 and Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7601.190063,210,24014-Sep-201519:45x64
Win32k.sys6.1.7601.232093,213,31214-Sep-201521:49x64
ia64 Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7601.190067,503,36014-Sep-201519:46IA-64
Win32k.sys6.1.7601.232097,511,55215-Sep-201513:35IA-64
x86 Windows 7
File nameFile versionFile sizeDateTimePlatform
Win32k.sys6.1.7601.190062,385,92014-Sep-201519:53x86
Win32k.sys6.1.7601.232092,394,62414-Sep-201521:48x86

Additional file information

Windows RT 8.1
File propertyValue
File nameArm_b838b86958a38cec74944f578eb44b9c_31bf3856ad364e35_6.3.9600.18056_none_067f99bf1db66c9e.manifest
File versionNot applicable
File size694
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
File nameArm_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.18056_none_4db7edafb603986c.manifest
File versionNot applicable
File size125,375
Date (UTC)15-Sep-2015
Time (UTC)14:55
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,804
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
x86 Windows 8.1
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,804
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
File nameX86_568ef6e24fb6449d536bf068a35f9ab6_31bf3856ad364e35_6.3.9600.18056_none_bedb9260d1b597c8.manifest
File versionNot applicable
File size694
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
File nameX86_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.18056_none_4db57b57b60679a6.manifest
File versionNot applicable
File size125,375
Date (UTC)15-Sep-2015
Time (UTC)15:12
PlatformNot applicable
x64 Windows 7 and Windows Server 2008 R2
File propertyValue
File nameAmd64_4b449e11bcc2931092a6646372538b54_31bf3856ad364e35_6.1.7601.19006_none_27656bb4e8303b1c.manifest
File versionNot applicable
File size1,038
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameAmd64_4ccabaa5177d6de9a091e0dbe88b3877_31bf3856ad364e35_6.1.7601.23209_none_264faf421b1f5915.manifest
File versionNot applicable
File size1,038
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameAmd64_81a34052ae4cd18906563bc6239be872_31bf3856ad364e35_6.1.7601.19006_none_c80b5d03f6a7bc48.manifest
File versionNot applicable
File size698
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameAmd64_9e7e7a75e993f572241705683ba8ae49_31bf3856ad364e35_6.1.7601.19006_none_6fa4b2d2d725fdcc.manifest
File versionNot applicable
File size698
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameAmd64_b54adc226ac24198a0245d45c3ff7d30_31bf3856ad364e35_6.1.7601.23209_none_e0e6d5ce23ea1c80.manifest
File versionNot applicable
File size698
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameAmd64_da5b1e990fbf4f6e8208c289f44c05c2_31bf3856ad364e35_6.1.7601.23209_none_12d33b3e324dc20c.manifest
File versionNot applicable
File size698
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameAmd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.19006_none_1726189bb11cac3d.manifest
File versionNot applicable
File size42,149
Date (UTC)14-Sep-2015
Time (UTC)20:46
PlatformNot applicable
File nameAmd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.23209_none_17b2b82aca379533.manifest
File versionNot applicable
File size42,149
Date (UTC)14-Sep-2015
Time (UTC)22:45
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,774
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.19006_none_217ac2ede57d6e38.manifest
File versionNot applicable
File size4,178
Date (UTC)14-Sep-2015
Time (UTC)20:42
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.23209_none_2207627cfe98572e.manifest
File versionNot applicable
File size4,178
Date (UTC)14-Sep-2015
Time (UTC)22:25
PlatformNot applicable
ia64 Windows Server 2008 R2
File propertyValue
File nameIa64_10a15f5c65602cf9358911ec453969fa_31bf3856ad364e35_6.1.7601.23209_none_7a54561cfba8cf41.manifest
File versionNot applicable
File size1,036
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameIa64_ff9dcbb7a72c3ec553628a9637b93f70_31bf3856ad364e35_6.1.7601.19006_none_fc8ecb5c09087431.manifest
File versionNot applicable
File size1,036
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameIa64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.19006_none_bb09210df8bd4403.manifest
File versionNot applicable
File size42,147
Date (UTC)14-Sep-2015
Time (UTC)20:43
PlatformNot applicable
File nameIa64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.23209_none_bb95c09d11d82cf9.manifest
File versionNot applicable
File size42,147
Date (UTC)15-Sep-2015
Time (UTC)14:16
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,447
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.19006_none_217ac2ede57d6e38.manifest
File versionNot applicable
File size4,178
Date (UTC)14-Sep-2015
Time (UTC)20:42
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.23209_none_2207627cfe98572e.manifest
File versionNot applicable
File size4,178
Date (UTC)14-Sep-2015
Time (UTC)22:25
PlatformNot applicable
x86 Windows 7
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size2,138
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameX86_cd1beaaef3c02f13a461f4bfe9f43335_31bf3856ad364e35_6.1.7601.19006_none_2ad164d808672ea0.manifest
File versionNot applicable
File size694
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameX86_dee31cd14d898c78122a083f98fa08fa_31bf3856ad364e35_6.1.7601.23209_none_541e83c111a18027.manifest
File versionNot applicable
File size694
Date (UTC)15-Sep-2015
Time (UTC)17:03
PlatformNot applicable
File nameX86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.19006_none_bb077d17f8bf3b07.manifest
File versionNot applicable
File size42,145
Date (UTC)14-Sep-2015
Time (UTC)21:00
PlatformNot applicable
File nameX86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7601.23209_none_bb941ca711da23fd.manifest
File versionNot applicable
File size42,145
Date (UTC)14-Sep-2015
Time (UTC)22:44
PlatformNot applicable
x64 Windows 8.1 and Windows Server 2012 R2
File propertyValue
File nameAmd64_5dfd0acd8d392feb713530182c8479e6_31bf3856ad364e35_6.3.9600.18056_none_259a12f5ff1bdfa9.manifest
File versionNot applicable
File size698
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
File nameAmd64_f84a61173daac194531014ec6f1d8264_31bf3856ad364e35_6.3.9600.18056_none_c90d9c29d91f979a.manifest
File versionNot applicable
File size698
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
File nameAmd64_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.18056_none_a9d416db6e63eadc.manifest
File versionNot applicable
File size125,379
Date (UTC)15-Sep-2015
Time (UTC)15:25
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,935
Date (UTC)15-Sep-2015
Time (UTC)21:54
PlatformNot applicable
File nameWow64_microsoft-windows-win32k_31bf3856ad364e35_6.3.9600.18056_none_b428c12da2c4acd7.manifest
File versionNot applicable
File size124,646
Date (UTC)15-Sep-2015
Time (UTC)15:11
PlatformNot applicable
Properties

Article ID: 3095649 - Last Review: 10/30/2015 02:40:00 - Revision: 2.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1

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