I Need to have steam to play MW3 Online?

Nope its not required,

but the console aks me about it...she said:

 

"Error during inicialization"

"Steam must be running for initial authentication to succeed. Please start steam and restarte the game to continue."

 

What should i do?

Start Steam and make your profile public. Then follow the instructions again...

so i need to have steam correct?

Yes, just start Steam

ok..i will try with steam. thanks

Or...you could just create a folder named "nope"(no space.I put the space coz this forum chages the words i put...) in the IW5 file...Thats what i did

i got warned for trolling word filters... delete the post above -,-

i got warned for trolling word filters... delete the post above -,-

Could you not back-seat moderate ? We can take care of it.