I actually have no idea why I thought you were talking about MSFS the whole time, so I do apologize for that. In any event, I'm not sure why you're getting those sounds since I've never heard them before in P3D. If you really think it's a GSX problem, though, you can go into the Add-on Manager folder, then go to couatl\GSX\sounds, and then try to figure out which sound it is.