Something strange has been happening to me for a few days... While I was producing different commissions for my clients, I suddenly had multiple crashes for no reason. As soon as I opened a project, I had a crash. I obviously panicked because I had to finish projects. So I did several searches and the only solution seemed to be to uninstall and reinstall everything. That's what I did, but it didn't solve my problem. So I updated my graphics card, tried to change different settings...etc.
Then I also fiddled with the settings in iClone/CC to find the miracle button! And after a whole day of research, I found the cause of my crashes:

When I deactivate "Environment Reflection" I no longer have a crash. Now the question I ask myself is why suddenly this option makes me crash when before this was not the case? I'm putting this here in case other users like me have the same problem. Also, what is the solution to fix that problem?