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Fsx & Windows 7 Uiautomationcore.dll Fix
The UIAutomationCore.dll seems to be crucial for FSX and Windows 7 operating in 64 bits. Otherwise, you may be getting the same "Fatal Error" messages followed by a shutdown that is hurting a lot of other FSX users. Once downloaded, right click on extract all, extract the zip file, then using Windows Explorer drag the UIAutomationCore.dll into the main FSX directory and you should be all set yo go!