Loading the TBM 850 closes MSFS 2020.
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I suspect this is most likely caused by some outdated GPS addon or other incompatible package in your community folder. Try temporarily emptying your community folder of all addons except the TBM and see if that helps. If not, I suggest contacting Just Flight support, as they have more experience troubleshooting simulator-level issues than I do, whereas I specialize in the aircraft's systems. You're also welcome to stay in touch here and let me know how it goes.