Windows Server 2008: Application Compatibility Update for Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: April 2011

SUPPORT SOLUTION:
The Windows Application Compatibility Update is a software update that improves the compatibility experience in the following Microsoft Windows operating systems:Windows XPWindows Server 2003Windows VistaWindows Server 2008Windows 7Windows Server 2008 R2Microsoft regularly releases application compatibility updates for these Windows operating systems. The kinds of issues that are resolved by application compatibility updates
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When you try to install and run certain legacy games or applications, 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.Note Click here to view more information about this update in the “More Information” section. Update information
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You can install this update from Windows Update or from the Microsoft Download Center. Windows Update
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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
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The following files are available for download from the Microsoft Download Center:Collapse this tableExpand this tableOperating systemUpdateAll supported x86-based versions of Windows XPCollapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=186edb1c-4d75-480e-aadc-cede88d9b047) All supported x64-based versions of Windows XPCollapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=538e7433-717b-4ac5-ba6a-dd4cbe273cb5) All supported x86-based versions of Windows Server 2003Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=ffb27e71-605d-4705-bb5f-2288f235ae15) All supported x64-based versions of Windows Server 2003Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=8bf510c9-b01b-4538-bf96-47f74e3b6de5) All supported IA-64-based versions of Windows Server 2003Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=7187cd9f-b16e-41db-a21f-849ebe3cc4db) All supported x86-based versions of Windows VistaCollapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=0248ea5f-9fd5-4e75-800b-6b4d31b2bce2) All supported x64-based versions of Windows VistaCollapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=bca99491-8afc-4a43-a42b-53b5e4c244fd) All supported x86-based versions of Windows Server 2008Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=d71ce881-449f-4adf-b130-cdafad515b01) All supported x64-based versions of Windows Server 2008Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=cabb0593-1b7d-4073-afc4-4bb434367586) All supported IA-64-based versions of Windows Server 2008Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=e3d38b36-3da4-4a29-893a-d2d9a32c0e6d) All supported x86-based versions of Windows 7Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=773089aa-359e-4b03-a5e0-0711f1b7f7ea) All supported x64-based versions of Windows 7Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=310106b1-81c3-4702-b0c0-8ae584aa17ee) All supported x64-based versions of Windows Server 2008 R2Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=c87aa62d-5397-4a3f-84ae-3da5d79c44af) All supported IA-64-based versions of Windows Server 2008 R2Collapse this imageExpand this imageDownload the update package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=6bdc630e-6b5b-4cd4-8480-1138b18d9906) 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
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To apply this hotfix, you must be running one of the following operating systems:Windows XP Service Pack 3 (SP3)Windows Server 2003 Service Pack 2 (SP2)Windows Vista Service Pack 1 (SP1)Windows Vista Service Pack 2 (SP2)Windows Server 2008Windows Server 2008 Service Pack 2 (SP2)Windows 7Windows 7 Service Pack 1 (SP1)Windows Server 2008 R2Windows Server 2008 R2 Service Pack 1 (SP1) For more information about how to obtain a Windows XP service pack, click the following article number to view the article in the Microsoft Knowledge Base: 322389  (http://support.microsoft.com/kb/322389/ ) How to obtain the latest Windows XP service pack For more information about how to obtain a Windows Server 2003 service pack, click the following article number to view the article in the Microsoft Knowledge Base: 889100  (http://support.microsoft.com/kb/889100/ ) How to obtain the latest service pack for Windows Server 2003 For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base: 935791  (http://support.microsoft.com/kb/935791/ ) How to obtain the latest Windows Vista service pack For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base: 968849  (http://support.microsoft.com/kb/968849/ ) How to obtain the latest service pack for Windows Server 2008 For more information about how to obtain a Windows 7 or a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base: 976932  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2 Registry information
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To apply this update, you do not have to make any changes to the registry.Restart requirement
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You may have to restart the computer after you apply this hotfix.Update replacement information
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function show_hide10() { var obja = document.getElementById(”m10″); if (obja.style.display==”none”) { obja.style.display=”block”; } else { obja.style.display=”none”; }} Click here to view or to hide detailed previously released updates that are replaced by this update This update includes the following previously released updates:2388210  (http://support.microsoft.com/kb/2388210/ ) Application Compatibility Update for Windows XP Professional x64 edition, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, Windows Embedded Standard 7, and Windows Server 2008 R2: October 2010 2272691  (http://support.microsoft.com/kb/2272691/ ) Application Compatibility Update for Windows 7 and Windows Server 2008 R2: August 2010982519  (http://support.microsoft.com/kb/982519/ ) Application Compatibility Update for Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: June 2010955759  (http://support.microsoft.com/kb/955759/ ) Microsoft Security Advisory: Description of the AppCompat update for Indeo codec: December 08, 2009929427  (http://support.microsoft.com/kb/929427/ ) The Windows Vista Application Compatibility Update 932246  (http://support.microsoft.com/kb/932246/ ) March 2007 Windows Vista Application Compatibility Update 935280  (http://support.microsoft.com/kb/935280/ ) July 2007 Windows Vista Application Compatibility Update 943302  (http://support.microsoft.com/kb/943302/ ) December 2007 Windows Vista Application Compatibility Update 947562  (http://support.microsoft.com/kb/947562/ ) May 2008 Windows Vista and Windows Server 2008 Application Compatibility Update 954366  (http://support.microsoft.com/kb/954366/ ) The August 2008 Windows Vista and Windows Server 2008 Application Compatibility Update is available 957388  (http://support.microsoft.com/kb/957388/ ) December 2008 Windows Vista and Windows Server 2008 Application Compatibility Update 976264  (http://support.microsoft.com/kb/976264/ ) Application Compatibility Update for Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: February 2010 982519  (http://support.microsoft.com/kb/982519/ ) Application Compatibility Update for Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: June 2010

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