idk why but none of my games will launch at all, i selected the right folders and everything but i keep getting this error everytime i try to open up one of the games. so help because idk what is going on i did everything right but it just wont work.

whenever I launch BO2 it takes a long time to get in the game, and then once it does, no servers show up in the serverlist. Multiplayer and zombies, can someone help me?