I doubt adding the mentioned line into your .CFG will solve the issue.
The problem you mentioned seems to be a common FSX & Win 7 problem. I assume you run Win 7.
The actual crash results from left clicking alot & opening up items within the menu bar.
This error is due to a negative result coming from the uiautomationcore.dll library in Windows 7.
I managed to resolve the issue (thanx to advice I got from browsing & not by my own invention) by placing the uiautomationcore.dll from Vista into my root FSX folder.
Here is some serious reading material about the problem.
You will also find the download links for the uiautomationcore.dll that you need to place into your FSX root folder to avoid this problem.
http://forums1.avsim.net/index.php?showtopic=273341Goodluck
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