Hey Guys,

Every time I go into the muliplayer section of Crysis 2 I have to re-enter my serial code. Everything works fine and my profile is fine, however if I leave the multiplayer and go back in I keep having to re-enter my code.

Thanks,

OK, its pretty simple

all you need to do is

1.Go into Multiplayer
2.Enter your serial
3.EXIT THE GAME
4.Start the game again and go into multiplayer
5.TADA, it should work

No that does not work.

I went through this also everytime I went into multiplayer. The only thing that fixed it for me was finally getting into a game. After I was able to get into a game, then I didn't have to enter it anymore. This was also after the system accepted my promo code. Which is pretty much good for nothing at this point.

The only problem with that was that all my pre-order stuff was gone. That is after choosing the jackal and using my points up that the pre-order gives you, when I came back in, all of it was gone! And I was at level 1!

Did you play the MP demo? make sure you delete the folder out of steam apps, thats what fixed it for me.

Same issue here, asks for my serial code every time. "I did not install or play the Demo." Double and triple checked that the number being input is correct.

Hrmm me and my buddy were having the same issue and this fix both worked for us. Before you log in click the modify cd key button and enter your cd key in all lower case with no dashes. After that connect to a NON official crytek server (usually the USplay ones) once you connect in the lobby exit your game back to desktop. Re launch crysis 2 click the modify button before login re-enter cd key lower case with no dashes launch multi and attempt to connect to official servers. May not work for all but this worked for my buddy and I soooo best of luck