Yesterday after the release of World Update IX: Italy and Malta, Xbox and Xbox Cloud Gaming users began to hit a crash on launch that prevented them from playing the sim. We released a server-side fix this morning to prevent any further Xbox or Xbox Cloud Gaming users from hitting this crash. At this time, we are actively working on the fix for users currently unable to launch the sim and plan to release a hot fix as soon as possible.
As a workaround, current Xbox Game Pass Ultimate users unable to launch on console can try loading up Xbox Cloud Gaming with a controller to play the sim now.
Please stay tuned for an update on this issue in our Development Blog tomorrow afternoon. We sincerely apologize for the inconvenience and thank you for your patience.
MSFS Team