Don’t know if this is related to my problem, but I found this in the Windows event log:
Faulting application name: LogiMicrosoftFlightSimulator.exe, version: 0.0.0.0, time stamp: 0x5fd0e575
Faulting module name: ntdll.dll, version: 10.0.19041.2130, time stamp: 0xb5ced1c6
Exception code: 0xc0000374
Fault offset: 0x00000000000ff6a9
Faulting process id: 0x483c
Faulting application start time: 0x01d95e624c0b2ebb
Faulting application path: C:\Program Files\Logitech\Microsoft Flight Simulator Plugin\LogiMicrosoftFlightSimulator.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Report Id: cedc0028-8d3f-48af-b290-7f19c947a815
Faulting package full name:
Faulting package-relative application ID: