Hey there,
It seems like an odd issue that could point to a myriad of causes.
That I can think of from the top of my head, it could either be related to some overheating (you should check your CPU and GPU temperatures while running the game), some drivers perhaps acting up (updating your GPU drivers could help), disabling Geforce Experience if you have it installed (Other players reported this program causing issues for them) or ensuring that there is enough space in your hard drive (100Gb of extra space in the disk drive you have the game installed should ensure you don't run into any issues).
Unsubscribing from any mods you might have installed in the past (from the Steam Workshop) should also ensure there's no mod files in the background disrupting anything. Also remember to check the integrity of the game files in Steam just in case there's something corrupted in there, and to see if there is anything running in the background that could be causing this ...
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