"Black screen" when starting/installing/re-installing MSFS 2020

Bug Reporting Hub Install, Performance & Graphics
86

Run notepad
Copy the command below and paste into notepad.

cmd.exe /C start shell:AppsFolder\Microsoft.FlightSimulator_8wekyb3d8bbwe!App -FastLaunch

Click File > Save as > save as type: all files
File name:

MSFS_fast_launch.cmd

Click save

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Edit
Save location > Desktop
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Right click on MSFS_fast_launch.cmd and select run as administrator.