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?

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

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