Products Support > GSX Support FSX/P3D

Cannot open the GSX menu from Add-ons in P3D v5.3 (Windows 10) **SOLVED**

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jsmcwilliam:
Before reformatting I decided to reinstall Windows 10, there is a way of doing this without loosing personal files. This proved successful because I can now access the GSX menu from the Add-ons list in the sim - problem solved I hope, we shall see. I suspect there was something wrong with SimConnect the troubleshooting is not easy. There were also four versions in the C:\Windows\WinSxS folder which I did not know how to handle - hopefully reinstalling the OS would sort this out. It did!

virtuali:

--- Quote from: jsmcwilliam on April 25, 2022, 10:31:36 am ---I can now access the GSX menu from the Add-ons list in the sim - problem solved I hope, we shall see. I suspect there was something wrong with SimConnect the troubleshooting is not easy. There were also four versions in the C:\Windows\WinSxS folder which I did not know how to handle - hopefully reinstalling the OS would sort this out. It did!
--- End quote ---

Thanks for the report, we can safely conclude the problem was caused by multiple older Simconnect version for FSX installed by add-ons not just using the FSX version in P3D, but even older FSX versions.

This in theory should work, although it's a waste of memory, because each add-on would force the sim to load its own preferred Simconnect .DLL in memory, but when it doesn't, it's almost impossible to fix, unless you really know what you are doing ( one way is to start Windows in Safe mode and manually remove all the older versions ), but it's clear that if other developers stopped using the FSX Simconnect in products advertised for P3D, everything would work better.

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