FlightSimBuilder GNS530 not responding to button pushes after first flight

My FSB GNS530 works great. Launch it with the FSB launcher, go into the aircraft, and I can punch buttons to my heart’s content. The problem happens though after I exit my flight in MSFS and plan a 2nd flight. Then the GPS unit doesn’t respond to button pushes and I must rely on the GPS unit inside the aircraft to affect changes.

My workaround is to just extend the first flight, but it’s sub-optimal. I just clear out the waypoints and re-program the device for my 2nd, 3rd legs.

The FSB site suggested temporarily moving the other WASM files in the Community directory. (anything with .wasm?)

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Is, say, the BAe-146 looking for it’s specific WASM file, or just a WASM file? I don’t want to go through the trouble of renaming / moving all those files just to find that each aircraft needs its own file.