The problem reapeared, I don't what to do, and just gave up on that.
=== Log opened UTC 2024-07-31 12:03:59
2024-07-31 12:03:58.648 INFO EDCORE (Main): Created boot pool: n:32
2024-07-31 12:03:58.649 INFO APP (Main): Command line: E:\SteamLibrary\steamapps\common\DCSWorld\bin\DCS.exe
2024-07-31 12:03:58.649 INFO APP (Main): DCS/2.9.6.58056 (x86_64; Windows NT 10.0.22631)
2024-07-31 12:03:58.649 INFO APP (Main): Application revision: 238056
2024-07-31 12:03:58.649 INFO APP (Main): Renderer revision: 25342
2024-07-31 12:03:58.649 INFO APP (Main): Terrain revision: 25255
2024-07-31 12:03:58.649 INFO APP (Main): Build number: 159
2024-07-31 12:03:58.649 INFO APP (Main): CPU cores: 16, threads: 32, System RAM: 65460 MB, Pagefile: 4096 MB
2024-07-31 12:03:59.221 ERROR Launcher (Main): loadUserOptions(): no file 'C:\Users\danie\Gespeicherte Spiele\DCS\Config/options.lua'
2024-07-31 12:04:01.193 WARNING LOG (27020): 1 duplicate message(s) skipped.
2024-07-31 12:04:01.193 ERROR LAUNCHER (CrBrowserMain): GUI ERROR:["Autologin error: ",""]
2024-07-31 12:04:04.813 ERROR LAUNCHER (CrBrowserMain): GUI ERROR:["Licenses format is incorrect: ",""]
2024-07-31 12:04:20.771 INFO ASYNCNET (14804): Login success.
2024-07-31 12:04:29.763 ALERT APP (Main): Launching process 'E:\SteamLibrary\steamapps\common\DCSWorld\bin\DCS.exe' failed with error code 5, command line: E:\SteamLibrary\steamapps\common\DCSWorld\bin\DCS.exe --restarted, current directory: null
=== Log closed.
No mods ,liveries or user made mission have been installed.
It looks like, I've got that problem since ED published the new patch, with the new launcher.
If someone has got some clue, that would be nice. But for now I am waiting for the next patch, lets hope that'll fix it.