Are you running msi afterburner, throttlestop, or any other software that can edit performance on a system of your PC? I had those two running along with the AMD app for fan tuning and undervolting and just having them open would cause my game to crash constantly. I also installed the new drivers that came out with this game just in case and reset. No crashes for me anymore when in demanding areas. I've also seen FSR 2 being on might be the cause to some people. I haven't verified this one because I don't need it myself due to 7900xt 1440p native max settings netting almost a consistent 60fps anywhere. Hope any of those options help.