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Summary

A compatibility update is a software update that improves the compatibility experience in Windows 8 and in Windows Server 2012. Microsoft regularly releases Windows compatibility updates to improve the overall user experience. This compatibility update is dated January 2013.

For more information about the improvements, refer to the "Applications or devices that experience a change in behavior after you install this update" section and the "Applications and devices that are included in this update" section.

More information

Update information

How to obtain this update

Windows Update
This update is available from Windows Update.
Microsoft Download Center
The following files are available for download from the Microsoft Download Center:
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Operating systemUpdate
All supported x86-based versions of Windows 8
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Download
Download the update package now.
All supported x64-based versions of Windows 8
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Download
Download the update package now.
All supported x64-based versions of Windows Server 2012
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Download
Download the update package now.
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.

The kinds of problems that are resolved by application compatibility updates

When you try to install and run certain games or applications in Windows 8 or in Windows Server 2012, you may experience one or more of the following symptoms:
  • The game, the application, or the driver is installed incorrectly.
  • The game, the application, or the driver causes system instability.
  • The primary functions of the game, of the application, or of the firmware do not work correctly.

Applications or devices that experience a change in behavior after you install this update

The following table lists the applications and devices that were included in this cumulative update package. This table also describes the behavior of these applications and devices after you install the update.

Compatibility updates trigger several changes in Windows 8. The following are the three most common:

Hard block

The update puts a hard block on the application. A hard block prevents an application that is incompatible with Windows 8 from running on the system.

Note Microsoft enables Windows to put a hard block on a non-Microsoft application only if the manufacturer is notified.

Soft block

This update puts a soft block on the application. A soft block notifies you when one of the primary functionality of the application is broken on Windows 8 or causes instability to application experience.

Driver Block

This action may block an existing driver on your computer. When the driver is migrated during the upgrade, an Inbox driver will be installed.

Applications and devices that are included in this update

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Application NameVersionBehavior after you install the update
Norton Internet Security 201017.xImproves user experience by warning the end-user, and provides a URL for more information about the product.
Norton 36017.xImproves user experience by warning the end-user, and provides a URL for more information about the product.
F-Secure Antivirus2011Improves user experience by warning the end-user, and provides a URL for more information about the product.
F-Secure Internet Security2011Improves user experience by warning the end-user, and provides a URL for more information about the product.
Panda Antivirus Pro 20132013Improves user experience.
Panda Internet Security 20132013Improves user experience.
Panda Global Protection 20132013Improves user experience.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Windows Update replacement information

This update replaces the following updates:
  • 2792476 The compatibility update for Windows 8 and Windows Server 2012: December 2012
  • 2764462 The compatibility update for Windows 8 and Windows Server 2012: November 2012

File information

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The global version of this hotfix 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 8 and Windows Server 2012 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:
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    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows 8 and Windows Server 2012RTMGDR
    6.2.920 0.20 xxxWindows 8 and Windows Server 2012RTMLDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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.
For all supported x86-based versions of Windows 8
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File nameFile versionFile sizeDateTimePlatform
Acres.dll6.2.9200.16440310,78420-Oct-201202:25x86
Sysmain.sdbNot applicable4,619,66219-Dec-201223:11Not applicable
Acres.dll6.2.9200.16384310,78426-Jul-201202:44x86
Sysmain.sdbNot applicable4,619,66219-Dec-201223:10Not applicable
Msimain.sdbNot applicable2,692,68619-Dec-201223:11Not applicable
Msimain.sdbNot applicable2,692,68619-Dec-201223:10Not applicable
Acspecfc.dll6.2.9200.16482431,61620-Dec-201200:36x86
Acspecfc.dll6.2.9200.20587431,61620-Dec-201200:30x86
Drvmain.sdbNot applicable218,88219-Dec-201223:11Not applicable
Drvmain.sdbNot applicable218,88219-Dec-201223:10Not applicable
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For all supported x64-based versions of Windows 8
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File nameFile versionFile sizeDateTimePlatform
Sysmain.sdbNot applicable386,58619-Dec-201223:13Not applicable
Sysmain.sdbNot applicable386,58619-Dec-201223:10Not applicable
Acspecfc.dll6.2.9200.1648239,93620-Dec-201200:28x64
Acspecfc.dll6.2.9200.2058739,93620-Dec-201200:19x64
Drvmain.sdbNot applicable218,88619-Dec-201223:13Not applicable
Drvmain.sdbNot applicable218,88619-Dec-201223:10Not applicable
Acres.dll6.2.9200.16440310,78420-Oct-201202:25x86
Sysmain.sdbNot applicable4,619,66219-Dec-201223:11Not applicable
Acres.dll6.2.9200.16384310,78426-Jul-201202:44x86
Sysmain.sdbNot applicable4,619,66219-Dec-201223:10Not applicable
Msimain.sdbNot applicable2,692,68619-Dec-201223:11Not applicable
Msimain.sdbNot applicable2,692,68619-Dec-201223:10Not applicable
Acspecfc.dll6.2.9200.16482431,61620-Dec-201200:36x86
Acspecfc.dll6.2.9200.20587431,61620-Dec-201200:30x86
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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

Additional file information

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Additional file information for Windows 8 and Windows Server 2012

Additional files for all supported x86-based versions of Windows 8
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File nameX86_2900a8956fb4a560abc8482fd96c0866_31bf3856ad364e35_6.2.9200.20589_none_97ce480441162458.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_2da63c65f3a8d656d4c6740a1339a1ce_31bf3856ad364e35_6.2.9200.16484_none_fc667e40aebdf46f.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_37d22a25c24fe769eb1d29ed83840f9e_31bf3856ad364e35_6.2.9200.16484_none_c8425dca9203cbd0.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_454f80f82394d44274885b34878309e8_31bf3856ad364e35_6.2.9200.16484_none_b16fcd5276832297.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_603ceb3026801e02d487712f2ecc74a8_31bf3856ad364e35_6.2.9200.20589_none_9b14158c020744ea.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_8ff38a33e0dc66a32151f04c2a584ef1_31bf3856ad364e35_6.2.9200.16484_none_92977b64f7759de9.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_9942c53f8d6cfc82834c1dc14834d726_31bf3856ad364e35_6.2.9200.20589_none_2fa076de8951634e.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_a1ea3e0e4f0d265406739173b6db8f7e_31bf3856ad364e35_6.2.9200.20589_none_53557118a3f34ac4.manifest
File versionNot applicable
File size725
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.16484_none_08cd45f0c3b32db5.manifest
File versionNot applicable
File size3,312
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.20589_none_095be42ddccc4c32.manifest
File versionNot applicable
File size3,312
Date (UTC)20-Dec-2012
Time (UTC)11:28
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.16484_none_08ce463ac3b2470c.manifest
File versionNot applicable
File size2,558
Date (UTC)20-Dec-2012
Time (UTC)01:25
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.20589_none_095ce477dccb6589.manifest
File versionNot applicable
File size2,558
Date (UTC)20-Dec-2012
Time (UTC)01:36
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.16484_none_08d046cec3b079ba.manifest
File versionNot applicable
File size2,552
Date (UTC)20-Dec-2012
Time (UTC)01:25
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.20589_none_095ee50bdcc99837.manifest
File versionNot applicable
File size2,552
Date (UTC)20-Dec-2012
Time (UTC)01:36
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.16484_none_08d347acc3adc5bf.manifest
File versionNot applicable
File size1,867
Date (UTC)20-Dec-2012
Time (UTC)01:25
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.20589_none_0961e5e9dcc6e43c.manifest
File versionNot applicable
File size1,867
Date (UTC)20-Dec-2012
Time (UTC)01:35
PlatformNot applicable
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Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012
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File nameAmd64_2e2d2f045b53c155b4473bd81544cfa5_31bf3856ad364e35_6.2.9200.20589_none_b95cb5015497e2ed.manifest
File versionNot applicable
File size1,100
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_7b9f5421245c9da91f0c98191e762e9b_31bf3856ad364e35_6.2.9200.20589_none_3f6571ea9c6c3127.manifest
File versionNot applicable
File size1,098
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_7ff4a977b38c0ec1497d96f62e70fc7f_31bf3856ad364e35_6.2.9200.16484_none_93e18ed180d2e406.manifest
File versionNot applicable
File size1,100
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_884f7bc3f5f74de1b76cf02331ba54c2_31bf3856ad364e35_6.2.9200.16484_none_94d522190e7d6ee8.manifest
File versionNot applicable
File size1,100
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_a7b1918bb6370ab90f8c8bbdf8f09583_31bf3856ad364e35_6.2.9200.20589_none_5e2f98c839f4f389.manifest
File versionNot applicable
File size1,100
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_aa123c27ba5504a1df876b332b9e8609_31bf3856ad364e35_6.2.9200.16484_none_e2e63644c0f3f6b0.manifest
File versionNot applicable
File size729
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_e3531cec590bd72d2d0705964440c226_31bf3856ad364e35_6.2.9200.20589_none_c4e3e7adf0c5f951.manifest
File versionNot applicable
File size1,100
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_e3cdb87a134f6c0427b86a6f6092ff48_31bf3856ad364e35_6.2.9200.20589_none_fa3d03e43be985bd.manifest
File versionNot applicable
File size729
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_f197cc073142afbd1b08a549ff4217c0_31bf3856ad364e35_6.2.9200.16484_none_829d888f53807777.manifest
File versionNot applicable
File size1,100
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_fafb4d391f24e1bc002112f3f58b31ed_31bf3856ad364e35_6.2.9200.16484_none_920bb8572ee848d1.manifest
File versionNot applicable
File size1,098
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.16484_none_64ebe1747c109eeb.manifest
File versionNot applicable
File size2,573
Date (UTC)20-Dec-2012
Time (UTC)03:42
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.20589_none_657a7fb19529bd68.manifest
File versionNot applicable
File size2,573
Date (UTC)20-Dec-2012
Time (UTC)02:59
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.16484_none_64ece1be7c0fb842.manifest
File versionNot applicable
File size1,143
Date (UTC)20-Dec-2012
Time (UTC)03:41
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.20589_none_657b7ffb9528d6bf.manifest
File versionNot applicable
File size1,143
Date (UTC)20-Dec-2012
Time (UTC)02:59
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.16484_none_64eee2527c0deaf0.manifest
File versionNot applicable
File size2,567
Date (UTC)20-Dec-2012
Time (UTC)03:42
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.20589_none_657d808f9527096d.manifest
File versionNot applicable
File size2,567
Date (UTC)20-Dec-2012
Time (UTC)02:59
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.16484_none_64f1e3307c0b36f5.manifest
File versionNot applicable
File size1,869
Date (UTC)20-Dec-2012
Time (UTC)03:42
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.20589_none_6580816d95245572.manifest
File versionNot applicable
File size1,869
Date (UTC)20-Dec-2012
Time (UTC)02:59
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.16484_none_6f408bc6b07160e6.manifest
File versionNot applicable
File size3,314
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.20589_none_6fcf2a03c98a7f63.manifest
File versionNot applicable
File size3,314
Date (UTC)20-Dec-2012
Time (UTC)11:06
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.16484_none_6f418c10b0707a3d.manifest
File versionNot applicable
File size2,560
Date (UTC)20-Dec-2012
Time (UTC)01:19
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.20589_none_6fd02a4dc98998ba.manifest
File versionNot applicable
File size2,560
Date (UTC)20-Dec-2012
Time (UTC)00:49
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.16484_none_6f468d82b06bf8f0.manifest
File versionNot applicable
File size450
Date (UTC)20-Dec-2012
Time (UTC)01:18
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.20589_none_6fd52bbfc985176d.manifest
File versionNot applicable
File size450
Date (UTC)20-Dec-2012
Time (UTC)00:49
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.16484_none_08d046cec3b079ba.manifest
File versionNot applicable
File size2,552
Date (UTC)20-Dec-2012
Time (UTC)01:25
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.20589_none_095ee50bdcc99837.manifest
File versionNot applicable
File size2,552
Date (UTC)20-Dec-2012
Time (UTC)01:36
PlatformNot applicable
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Properties

Article ID: 2793210 - Last Review: February 12, 2013 - Revision: 2.0
Applies to
  • Windows 8
  • Windows 8 Pro
  • Windows 8 Enterprise
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2012 Standard
Keywords: 
kbfix kbexpertiseadvanced kbsurveynew atdownload KB2793210

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