Hello,
have installed all new, Windows10 1909 also P3D4.5HF2, also all scenery.
Same error, when will set Athens, other Airports OK now.
So FT should look into this error.

Hello! since the latest update for Windows10 - KB4522738 The Configurator Crashes. And yes, i run it as Admin. And Yes, i have downloadet an installed the latest version from Flytampa downloadpage. thanks for reply [SPOILER] Informationen über das Aufrufen von JIT-Debuggen anstelle dieses Dialogfeld...