EXE Error (I Searched)

Okay here's the deal, I downloaded the client from BigDownload. Since the one from the GamersLive or whatever wouldn't install when I hit install button.

My problem is different than the ones I read. My game works, I can login, all is well until I select a game and wait for it to load. When the game loads half-way it gives me an EXE error saying WarRock.exe has encountered a problem and needs to close.

There's gotta be a better method than re-installing since this is the right installer and language. It would make no sense. Any input is helpful.

You normally get those errors when running an old hack, were you running a hack?

Other than that make sure your drivers are up to date, mainly video and audio..

What OS are you using?