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Article ID: 974332 - Last Review: October 2, 2012 - Revision: 9.0

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INTRODUCTION

The is a software update that improves the compatibility experience in Windows 7 and in Windows Server 2008 R2. Microsoft regularly releases Windows 7 and of Windows Server 2008 R2 application compatibility updates.

More information

The kinds of problems that are resolved by application compatibility updates

When you try to install and run certain legacy games or applications in Windows 7 and in Windows Server 2008 R2, you may experience one or more of the following symptoms:
  • The game, the application, or the firmware is installed incorrectly.
  • The game, the application, or the firmware causes system instability.
  • The primary functions of the game, of the application, or of the firmware do not work correctly.

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

The following table lists the applications that were added to the cumulative update package. This table also describes the behavior of these applications after you install the update.

Application compatibility updates trigger several changes in Windows 7 and Windows Server 2008 R2. 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 7 and with Windows Server 2008 from running on the system.

    Note Microsoft enables Windows to put a hard block on a non-Microsoft application only if the manufacturer of the application gives its consent.
  • Soft block
    The update puts a soft block on the application. A soft block notifies you when an application that is incompatible with Windows 7 starts to run.
  • Update
    The update improves the application’s functionality in Windows 7.

Applications that are included in the August 2009 update

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ApplicationBehavior after you install the update
Alcohol 52%Enables the functionality of Windows 7-compatible versions of Alcohol 52%.
Altiris and Symantec Virtual Software up to version 6.1.499.xGenerates an upgrade block to prevent errors during a Windows upgrade.
ZoomText versions up to 9.18.2Generates a driver hard block to prevent an error.
Dell Printer Driver (Models-V105, V305 and V505)Generates an upgrade block to prevent a setup failure.
Trend Micro Internet Security 2007Generates an upgrade block to prevent an error during a Windows upgrade.
Trend Micro Internet Security 2008Generates an upgrade block to prevent an error during a Windows upgrade.
Trend Micro Internet Security 2009Generates an upgrade block to prevent an error during a Windows upgrade.
YiDongFeiXin version 2.2.x and version 3.5.xEnables the application’s functionality.
PGP Desktop up to version 9.xGenerates a warning in the compatibility report during Windows upgrade. The warning notifies users to decrypt drives prior to upgrade to avoid a potential error during a Windows upgrade.
Trend Micro VirusBuster 2008Generates an upgrade block to prevent errors.
Windows Live Photo GalleryUpdates Windows Live Photo Gallery to prevent a file-association issue with Windows Media Player OCX.

Update information

You can install this update from Windows Update or from the Microsoft Download Center.

Windows Update

To immediately install this update, click Start, point to All Programs, and then click Windows Update. In the navigation pane, click Check for updates, and then follow the steps to install all recommended updates.

Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

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Download
Download the x86-based versions of Windows 7 update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=87bc03c6-4e24-4706-ae99-5c57ce50a970)
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Download
Download the x64-based versions of Windows 7 update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=0f9e69a3-c29d-4538-af0e-c081635c65c5)
Collapse this imageExpand this image
Download
Download the x64-based versions of Windows Server 2008 R2 update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=29de679b-3aa5-41ae-a425-35579fffbe20)
Collapse this imageExpand this image
Download
Download the Itanium-based versions of Windows Server 2008 R2 update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=cf65da8d-04cb-41e0-80e5-a7f24cf4548a)
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  (http://support.microsoft.com/kb/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.

Prerequisites

To apply this update, your computer must be running one of the following operating systems:
  • Windows 7
  • Windows Server 2008 R2

Restart requirement

You must restart the computer after you apply this update.

Registry information

You do not have to make any change to the registry.

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows 7 and Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • 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:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 0.16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 0.20xxxWindows 7 and Windows Server 2008 R2RTMLDR
  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important issues. LDR service branches contain hotfixes in addition to widely released fixes.
For all supported x86-based versions of Windows 7
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File nameFile versionFile sizeDateTimePlatform
Acres.dll6.1.7600.164082,56012-Aug-200905:49x86
Sysmain.sdbNot Applicable3,933,40611-Aug-200923:02Not Applicable
Acres.dll6.1.7600.205052,56012-Aug-200905:35x86
Sysmain.sdbNot Applicable3,933,40611-Aug-200923:00Not Applicable
Drvmain.sdbNot Applicable151,13611-Aug-200923:02Not Applicable
Drvmain.sdbNot Applicable151,13611-Aug-200923:00Not Applicable
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Sysmain.sdbNot Applicable110,70411-Aug-200922:57Not Applicable
Sysmain.sdbNot Applicable110,70411-Aug-200922:58Not Applicable
Aclayers.dll6.1.7600.16408347,64812-Aug-200906:19x64
Acxtrnal.dll6.1.7600.16408135,16812-Aug-200906:19x64
Aclayers.dll6.1.7600.20505347,64812-Aug-200906:28x64
Acxtrnal.dll6.1.7600.20505135,16812-Aug-200906:28x64
Acres.dll6.1.7600.164082,56012-Aug-200905:49x86
Sysmain.sdbNot Applicable3,933,40611-Aug-200923:02Not Applicable
Acres.dll6.1.7600.205052,56012-Aug-200905:35x86
Sysmain.sdbNot Applicable3,933,40611-Aug-200923:00Not Applicable
Drvmain.sdbNot Applicable151,13611-Aug-200923:02Not Applicable
Drvmain.sdbNot Applicable151,13611-Aug-200923:00Not Applicable
Msimain.sdbNot Applicable57,82412-Aug-200902:36Not Applicable
Msimain.sdbNot Applicable57,82412-Aug-200902:35Not Applicable
For all supported Itanium-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Sysmain.sdbNot Applicable107,68211-Aug-200922:55Not Applicable
Sysmain.sdbNot Applicable107,68211-Aug-200922:56Not Applicable
Aclayers.dll6.1.7600.16408548,86412-Aug-200905:03IA-64
Acxtrnal.dll6.1.7600.16408310,78412-Aug-200905:03IA-64
Aclayers.dll6.1.7600.20505548,86412-Aug-200905:00IA-64
Acxtrnal.dll6.1.7600.20505310,78412-Aug-200905:00IA-64
Msimain.sdbNot Applicable1,757,97826-Aug-200916:00Not Applicable
Msimain.sdbNot Applicable1,757,97826-Aug-200915:58Not Applicable
Acres.dll6.1.7600.164082,56012-Aug-200905:49x86
Sysmain.sdbNot Applicable3,933,40611-Aug-200923:02Not Applicable
Acres.dll6.1.7600.205052,56012-Aug-200905:35x86
Sysmain.sdbNot Applicable3,933,40611-Aug-200923:00Not Applicable
Drvmain.sdbNot Applicable151,13611-Aug-200923:02Not Applicable
Drvmain.sdbNot Applicable151,13611-Aug-200923:00Not Applicable

References

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684   (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
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.

Applies to
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
Keywords: 
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