Grabed this text from somone on Reddit.
If you don’t want to uninstall or turn off BitDefender, the fix seems to be to disable Exploit Detection.
Go to the Protection tab > Advanced Threat Defense > Settings > Turn off Exploit Detection then launch the game.
It launches instantly for me with Exploit Detection turned off, when it would previously soft-lock the PC for several minutes before eventually launching. You can turn it back on while the game is running. Or just turn it back on once you’re done playing.