Same on my system. It happend while loading the cargo version, update 1.0.1 had already been installed. A retry with exactly the same settings has been successfull.
Maybe the Event Log entry regarding to the CTD may be helpful:
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Name der fehlerhaften Anwendung: FlightSimulator.exe, Version: 1.35.21.0, Zeitstempel: 0x00000000
Name des fehlerhaften Moduls: mf3055c24e74fe5af_0.dll, Version: 0.0.0.0, Zeitstempel: 0x6590118d
Ausnahmecode: 0xc0000005
Fehleroffset: 0x0000000000dd6ea4
ID des fehlerhaften Prozesses: 0x0x2AD4
Startzeit der fehlerhaften Anwendung: 0x0x1DA3B1C38738531
Pfad der fehlerhaften Anwendung: C:\Program Files\WindowsApps\Microsoft.FlightSimulator_1.35.21.0_x64__8wekyb3d8bbwe\FlightSimulator.exe
Pfad des fehlerhaften Moduls: C:\Users\juergen\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalState\packages\inibuilds-aircraft-a300-600\mf3055c24e74fe5af_0.dll
Berichtskennung: ab3923ca-6f29-44fa-b7e4-36f0f5f12117
Vollständiger Name des fehlerhaften Pakets: Microsoft.FlightSimulator_1.35.21.0_x64__8wekyb3d8bbwe
Anwendungs-ID, die relativ zum fehlerhaften Paket ist: App
===
Let me know if I can do anything to support further error analysis (e. g. provide a crash dump) or do you receive WER crash dumps from microsoft anyway?