The primary functions of the game, of the application, or of the firmware do not work correctly.Īpplications that experience a change in behavior after you install this update The game, the application, or the firmware causes system instability. The game, the application, or the firmware is installed incorrectly. 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: More Information The kinds of problems that are resolved by application compatibility updates Microsoft regularly releases Windows 7 and of Windows Server 2008 R2 application compatibility updates. The Windows 7 and Windows Server 2008 R2 Application Compatibility Update is a software update that improves the compatibility experience in Windows 7 and in Windows Server 2008 R2.

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