SolvedPre release demo

I need help when im trying to play aiwnet it loads up pre release demo i really want to play the other one when i click iw4mp it loads an update and then later it gives me an error thanks!

And you should tell us what the error message is...

i didn't read it all the way but it stops the update T.T cause im at.

okay well im re updating it and ima check what the thing says