If you run into unexpected errors, you may need to repair Microsoft Flight Simulator by following the steps below.
- Open the Xbox app
- Sign in with your Microsoft account
- In My Library, search for Microsoft Flight Simulator or mouse over the Microsoft Flight Simulator icon in the "installed" menu
- Click on the 3 dots menu, then select Manage
- Click on the Files tab, then click on Verify And Repair
- Confirm your choice and wait until the message "Ready to play!" appears.