Topic closed by OP request.
Please check the MS Store app for an update to Gaming Services.
If you have issues with in-game achievements being lost, see this topic:
https://forums.flightsimulator.com/t/in-game-achievements-progress-and-pilot-profile-got-reset-after-the-gaming-services-issue/370161/2
If you have lost controller settings, see this post:
https://forums.flightsimulator.com/t/in-game-achievements-progress-and-pilot-profile-got-reset-after-the-gaming-services-issue/370161/2
EDIT: Fixed with a Gaming Services update.