Beckneard

Hey all, I've not had a single problem with halo infinite from launch up to now, I recently decided to restart the campaign fresh and for some reason the moment that I kill the first boss (Tremonius), the game stutters for a brief moment and then just exits out with no error or anything to tell me what's wrong?? I haven't changed anything about my PC, or even downloaded any other software since getting infinite so i'm beat for what it could be. If anyone knows what is up or can give a solution please let me know! Thankyou!