Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
I wish that was it, my installation seems to be completely FUBAR.Cees - I had to open the Xbox games program, select MSFS2020 and then run the update. IIRC, at some point in that process you will see the MSFS2020 opening screen you are familiar with.
Did you already try updating via x-box App/ MS Store? I mean: That did it for me . . .I wish that was it, my installation seems to be completely FUBAR.
Cees