It isn't impossible that it has something to do with it.
You could try if making a backup of and deleting "Documents\Paradox Interactive\Crusader Kings II\cache" changes anything.
If it does any difference or you find out anything else that could help us get to the bottom of the problem, please consider giving us that info over here: https://forum.paradoxplaza.com/foru...3-1-0-kkad-crash-on-loading-graphics.1174637/
You could try if making a backup of and deleting "Documents\Paradox Interactive\Crusader Kings II\cache" changes anything.
If it does any difference or you find out anything else that could help us get to the bottom of the problem, please consider giving us that info over here: https://forum.paradoxplaza.com/foru...3-1-0-kkad-crash-on-loading-graphics.1174637/