[2022] CK3 CRASHES - Royal court

Please right click on ck3.exe ,properties, compatibility. Tick "disable fullScreen optimisations", untick everything else in there, Apply and exit.

Then run the game and in the launcher Game Settings menu set display mode to fullScreen, Vsync off, refresh rate 60. Is that any better?  

That is a known problem at present, it should be fixed in the next patch.

Meantime you can use this workaround:

CK3 - PC Update 1.6.0.1

Hi everyone, We have released Update 1.6.0.1 for PC at 10am CEST this morning. The latter aims to fix the recent CPU Support Issue for Fate of Iberia (AVX issue) that you have reported after the release of Flavor Pack 2. Update 1.6.1 will be... forum.paradoxplaza.com
Sorry for that problem!  

Vollhorst4 said: Hello, I have a similar problem. Whenever I go to the court and want to change something there, the game crashes.

Did you try the workaround above?