UE 5 Games crash at start on PC 5600x 3070 with nothing installed

Hello everybodies.
Since the first UE 5 Game i can’t play and this summer i try the last option : I unstall everything in my cumputer and make him like usine PC. But everygames with UE 5 can"t be played. So please really help me.
I don’t know where i can find some help.
For information i have R5 5600X and RTX 3070 and Ram 16 GB. My cumputer is empty excepte one UE 5 Game for try to find a solution.

I try too many thing since 6 month, i have no idea now.
Thank you very much for your time.