[Notice]
We've released fix patch Ver. 12.11.01, which includes a fix that alleviates issues that prevent the game from launching properly, which has affected users with certain types of anti-virus software after updating to Ver. 12.11.00.
We have also provided some separate information on how you can troubleshoot this problem at the link below:
https://steamcommunity.com/games/582010/announcements/detail/1700611550586212567