[2023] Continuous crashing when selecting characters or decision consideration since November 2023

Right click on ck3.exe , properties, compatibility. Tick "disable fullScreen optimisations" untick every other box in that dialog, Apply and exit.
Then in the launcher Game Settings menu, select fullScreen display mode, Vsync off, cap refresh rate at 60.


If those don't help:
DXDIAG is a program you run from the Windows search box on the task bar. After running it will open a window and start collecting info with a progress bar in the lower-left corner. When it completes click the 'save all information' button and save it to a file then attach that file here.

Please attach here your Documents/Paradox Interactive/CK3/pdx_settings.txt .
From your Documents/Paradox Interactive/CK3/logs/ folder, attach here system.log , error.log , exceptions.log  

System Manufacturer: ASUS
BIOS: 2611 (type: UEFI)
Processor: 13th Gen Intel(R) Core(TM) i9-13900KF (32 CPUs), ~3.0GHz

You will certainly be having the ASUS/Intel/bios/AVX2 issue described here:

Victoria 3 | 12th/13th Generation Intel Processors

Hello all! An update, 12th and 13th Generation Intel Processors are related to a Crash to Desktop (CTD) happening frequently, this is related to architecture changes by Intel and specifically E-cores. We are working with Intel to address these... forum.paradoxplaza.com
Please follow the guide there, see if that helps your problem as it has others. If you need more detailed help with those steps, please post in that thread - the clever user who discovered it @TheOriginalKage has been very helpful there!