Windows 10: Microsoft Flight Sim 2020 crashing on start up

Hello, I tried launching MSFS 2020 today on my PC but it crashes at the loading screen every time, regardless of safe mode or normal.My drivers are up to date and my microsoft/xbox sign in details are correct.Nvidia Geforce RTX 4070 TiDriver version 537.13AMD Ryzen 7 5800X3D 8-Core Processor31.89 GB RAM

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Microsoft Flight Sim 2020

I am in need of help. I have paid and downloaded through the Microsoft store the premier version of flight sim 2020. I was flying an aircraft and tried to follow a keyboard combination to predefine a camera view. I must have selected the wrong key combination
as all of a sudden the plane goes into some time of auto control for throttle and flying control. In otherword whenever i launch the program no matter what plane the plane starts accelerating down the run way and goes into the air. It won't accept any joystick
input (Saitek X-56). So i defaulted the settings for the sticks but no good. I unplugged the sticks and restarted flight using keyboard controls. Nothing. I uninstalled Flight through the start menu and reinstalled it. No luck.

I need help either to completely uninstall flight sim 2020 or find out what I did on accident that has screwed up this program. I believe the keys I hit were contrl/alt/x/1. I'm not positive but I think I did.

Could someone give me options on what to do? I need someone that knows windows well I i don't want to reinstall windows from scratch. Is there a way to completely uninstall flight sim 2020 completely and then try re-installing. I'm guessing the UNinstall
from the start menu doesn't completely remove all flight sim files.

Thanks

 

Can't download Microsoft flight sim 2020

trying to download Microsoft flight sim 2020 immediately errors out 0x00000001

 

Flight sim 2020

Do we need an Steam account to install flight sim 2020?