Been having problems with BO4 for about 3 months consistent problems nothing fixed. I've tried every fix every idea out there and nothing has fixed this. I've reinstalled the game 6 times already and nothing has changed. I open the game get a black screen menu appears automatically closes no error message no logs nothing. the game just closes... its allowed through firewall / anti virus everything and it still wont open.
Console try a hard reset
Pc no idea
On PC, they also have that "verify integrity of files", or whatever their version of "rebuild database."