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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 March 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
HP Software Framework4.0.108.1Enables the application's functionality.
Lightscribe Diagnostics Utility1.18.36.7Enables the application's functionality.
Scilab5.3.3Enables the application's functionality.
VCDS Release11.11.4Enables the application's functionality.
Apple Mobile Device USB DriverImproves user experience.
Wisair WSR Host UWB Radio DriverImproves user experience.
Dr.Web Security Space Pro7.xImproves user experience by warning the end-user, and provides a URL for more information about the product.
iLok Driver5.9.5.xImproves user experience.
Telenor Connection ManagerMultiple versions (E367,E1752,Icon7.2,Icon225,Icon401,Icon505 & MD400)Improves user experience by warning the end-user, and provides a URL for more information about the product.
Razer Nostromo Driver2.02Improves user experience by warning the end-user, and provides a URL for more information about the product.
Sandboxie3.73.xImproves user experience by warning the end-user, and provides a URL for more information about the product.
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:
  • 2793210 The compatibility update for Windows 8 and Windows Server 2012: January 2013
  • 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 applicable4,622,89015-Feb-201301:30Not applicable
Acres.dll6.2.9200.16384310,78426-Jul-201202:44x86
Sysmain.sdbNot applicable4,622,89014-Feb-201323:55Not applicable
Msimain.sdbNot applicable2,695,97215-Feb-201301:30Not applicable
Msimain.sdbNot applicable2,695,97214-Feb-201323:55Not applicable
Acspecfc.dll6.2.9200.16534444,41615-Feb-201306:35x86
Acspecfc.dll6.2.9200.20638431,61615-Feb-201304:58x86
Drvmain.sdbNot applicable238,83015-Feb-201301:30Not applicable
Drvmain.sdbNot applicable238,83014-Feb-201323:55Not applicable
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For all supported x64-based versions of Windows 8 and of Windows Server 2012
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File nameFile versionFile sizeDateTimePlatform
Sysmain.sdbNot applicable387,25215-Feb-201301:29Not applicable
Sysmain.sdbNot applicable387,25215-Feb-201308:52Not applicable
Acspecfc.dll6.2.9200.1653439,93615-Feb-201307:58x64
Acspecfc.dll6.2.9200.2063839,93615-Feb-201313:47x64
Drvmain.sdbNot applicable238,54815-Feb-201301:29Not applicable
Drvmain.sdbNot applicable238,54815-Feb-201308:52Not applicable
Acres.dll6.2.9200.16440310,78420-Oct-201202:25x86
Sysmain.sdbNot applicable4,622,89015-Feb-201301:30Not applicable
Acres.dll6.2.9200.16384310,78426-Jul-201202:44x86
Sysmain.sdbNot applicable4,622,89014-Feb-201323:55Not applicable
Msimain.sdbNot applicable2,695,97215-Feb-201301:30Not applicable
Msimain.sdbNot applicable2,695,97214-Feb-201323:55Not applicable
Acspecfc.dll6.2.9200.16534444,41615-Feb-201306:35x86
Acspecfc.dll6.2.9200.20638431,61615-Feb-201304:58x86
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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_01668c4045419d4ab65d78b25f153dfd_31bf3856ad364e35_6.2.9200.16534_none_2f094b707735bced.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_0a17571a3a246049e618e261cea4b98a_31bf3856ad364e35_6.2.9200.16534_none_b20f3bc54e1a73d2.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_5eb3b74142cced5fb75dfee60261a00f_31bf3856ad364e35_6.2.9200.20638_none_f684d40ec37dc3fa.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_7fe4357b18a94cec65363f47d7ac9f23_31bf3856ad364e35_6.2.9200.16534_none_f2f6bcedceaca6e7.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_9353b8e6126242e0ac0673c2e0729b8e_31bf3856ad364e35_6.2.9200.20638_none_39f71748d6114411.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_b7403d49846be60b2f296fcebeee87c6_31bf3856ad364e35_6.2.9200.20638_none_92d35318efe60409.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_b7a28c4aa1ce1c7aa01a2ec44c6966ee_31bf3856ad364e35_6.2.9200.16534_none_1769f1f49a32044c.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_d096614c2da73db02a5eed9ae3416c8f_31bf3856ad364e35_6.2.9200.20638_none_e4fe0e32e4863763.manifest
File versionNot applicable
File size725
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.16534_none_09035772c38a9f27.manifest
File versionNot applicable
File size3,312
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.20638_none_0990f565dca4a44d.manifest
File versionNot applicable
File size3,312
Date (UTC)15-Feb-2013
Time (UTC)22:40
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.16534_none_090457bcc389b87e.manifest
File versionNot applicable
File size2,558
Date (UTC)15-Feb-2013
Time (UTC)07:42
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.20638_none_0991f5afdca3bda4.manifest
File versionNot applicable
File size2,558
Date (UTC)15-Feb-2013
Time (UTC)05:25
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.16534_none_09065850c387eb2c.manifest
File versionNot applicable
File size2,552
Date (UTC)15-Feb-2013
Time (UTC)07:42
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.20638_none_0993f643dca1f052.manifest
File versionNot applicable
File size2,552
Date (UTC)15-Feb-2013
Time (UTC)05:25
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.16534_none_0909592ec3853731.manifest
File versionNot applicable
File size1,867
Date (UTC)15-Feb-2013
Time (UTC)07:42
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.20638_none_0996f721dc9f3c57.manifest
File versionNot applicable
File size1,867
Date (UTC)15-Feb-2013
Time (UTC)05:25
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_07cd2eccec04ef6a6072cc3253ae0bb2_31bf3856ad364e35_6.2.9200.20638_none_c3d0184ac0f8f8d8.manifest
File versionNot applicable
File size729
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_0a9afd013ed1d332e352c3af0f43705b_31bf3856ad364e35_6.2.9200.16534_none_0898a346366d51f3.manifest
File versionNot applicable
File size1,098
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_3377286d77f22a4188f6e6e006e57e29_31bf3856ad364e35_6.2.9200.16534_none_9697ec8a2ad85092.manifest
File versionNot applicable
File size1,100
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_403315363fca7b6d024d287a364914fe_31bf3856ad364e35_6.2.9200.20638_none_d4e220796c27f5b4.manifest
File versionNot applicable
File size1,100
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_569b49d36b9b242968a7c63cd102bcb4_31bf3856ad364e35_6.2.9200.20638_none_33ebbe40abf601de.manifest
File versionNot applicable
File size1,100
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_6f16c3987319e194b87740b29f134a44_31bf3856ad364e35_6.2.9200.20638_none_96afa776e6f78712.manifest
File versionNot applicable
File size1,098
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_7f9c2f7745b26d905ac2f5f4057ddf00_31bf3856ad364e35_6.2.9200.20638_none_e1549d37fd82377a.manifest
File versionNot applicable
File size1,100
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_bd369a98c233eab97c8b7e8195186c24_31bf3856ad364e35_6.2.9200.16534_none_1701affb54a5d60e.manifest
File versionNot applicable
File size1,100
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_beeaa6a034e30167e6a6e6ac53ebe767_31bf3856ad364e35_6.2.9200.16534_none_733cb516aeed9418.manifest
File versionNot applicable
File size729
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_dba15781f83101b565d4a0645d050db1_31bf3856ad364e35_6.2.9200.16534_none_e51b9b2bff5c71f1.manifest
File versionNot applicable
File size1,100
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.16534_none_6521f2f67be8105d.manifest
File versionNot applicable
File size2,573
Date (UTC)15-Feb-2013
Time (UTC)09:16
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.20638_none_65af90e995021583.manifest
File versionNot applicable
File size2,573
Date (UTC)15-Feb-2013
Time (UTC)14:36
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.16534_none_6522f3407be729b4.manifest
File versionNot applicable
File size1,143
Date (UTC)15-Feb-2013
Time (UTC)09:15
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.20638_none_65b0913395012eda.manifest
File versionNot applicable
File size1,143
Date (UTC)15-Feb-2013
Time (UTC)14:36
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.16534_none_6524f3d47be55c62.manifest
File versionNot applicable
File size2,567
Date (UTC)15-Feb-2013
Time (UTC)09:16
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.20638_none_65b291c794ff6188.manifest
File versionNot applicable
File size2,567
Date (UTC)15-Feb-2013
Time (UTC)14:36
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.16534_none_6527f4b27be2a867.manifest
File versionNot applicable
File size1,869
Date (UTC)15-Feb-2013
Time (UTC)09:16
PlatformNot applicable
File nameAmd64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.20638_none_65b592a594fcad8d.manifest
File versionNot applicable
File size1,869
Date (UTC)15-Feb-2013
Time (UTC)14:36
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.16534_none_6f769d48b048d258.manifest
File versionNot applicable
File size3,314
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c1_31bf3856ad364e35_6.2.9200.20638_none_70043b3bc962d77e.manifest
File versionNot applicable
File size3,314
Date (UTC)15-Feb-2013
Time (UTC)22:45
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.16534_none_6f779d92b047ebaf.manifest
File versionNot applicable
File size2,560
Date (UTC)15-Feb-2013
Time (UTC)07:43
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c2_31bf3856ad364e35_6.2.9200.20638_none_70053b85c961f0d5.manifest
File versionNot applicable
File size2,560
Date (UTC)15-Feb-2013
Time (UTC)05:31
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.16534_none_6f7c9f04b0436a62.manifest
File versionNot applicable
File size450
Date (UTC)15-Feb-2013
Time (UTC)07:43
PlatformNot applicable
File nameWow64_microsoft-windows-a..ence-mitigations-c7_31bf3856ad364e35_6.2.9200.20638_none_700a3cf7c95d6f88.manifest
File versionNot applicable
File size450
Date (UTC)15-Feb-2013
Time (UTC)05:31
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.16534_none_09065850c387eb2c.manifest
File versionNot applicable
File size2,552
Date (UTC)15-Feb-2013
Time (UTC)07:42
PlatformNot applicable
File nameX86_microsoft-windows-a..ence-mitigations-c4_31bf3856ad364e35_6.2.9200.20638_none_0993f643dca1f052.manifest
File versionNot applicable
File size2,552
Date (UTC)15-Feb-2013
Time (UTC)05:25
PlatformNot applicable
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Properties

Article ID: 2790907 - Last Review: March 12, 2013 - Revision: 1.0
Applies to
  • Windows 8
  • Windows 8 Enterprise
  • Windows 8 Pro
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2012 Standard
Keywords: 
kbfix kbsurveynew atdownload kbexpertiseadvanced KB2790907

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