The Command I found in the thread (--single-thread-loading) seems to have fixed it. Thanks for your help.

I've deleted and redownloaded all of my game files, used every suggested config command, tried loading when I have mods disabled to very inconsistent results (works about 1/5 of the time and only when I set graphics to normal in the config), I've updated and redownloaded my drivers twice, and I've ...