While loading MSFS stop loading in a certain place

Question about loading MSFS
Often very booting stops at this point. After Win+D (exit to desktop) and back to MSFS interface the booting continues…
It’s as if going to the desktop and back gives some kind of “push” to continue booting…
Why so?

How to fix loading issues after clicking “Play” – Microsoft Flight Simulator Support (zendesk.com)

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Search results for ‘new activities screen’ - Microsoft Flight Simulator Forums