Hey i start the game and it crashes and when i open details it says bex error..........ANYONE PLZ HELP I used to play the game before bt nw cant....HELP HELP HELP

Can you post a screenshot of that error message ?

here

[attachment=0]dsa.jpg[/attachment]

There's something wrong with your game files, because IW5M doesn't even use steamclient.dll

Delete caches.xml and start the game again.