It's showing me only the first mission of the amaerican campaign the other campaigns are greyed out, is this normal?

I want to play in mp but i don´t know how

I am currently playing the game with no mods and i keep getting an error mid game "C++ Runtime Error" "This Application has requested the runtime to terminate it in an unsual way" I've looked everywhere for help regarding this but couldn't find a whole lot, i followed a guide for MOW:AS2 that fixed the same issue but nothing quite worked?...

siempre que juego y al rato de un el juego se cierra y aparece este error: Microsoft Visual C++ Runtime Library Runtime Error! Program: of War Assault his application has requested the Runtime to terminate it in an unusual way. Please contact the application•s support team for more information,...

HI, i just bought this game and i'm trying to play it but when i click play it says launching executable and then goes back the the play button. Can anyone help me fix this?