Game will not boot! (Amnesia on Steam)

[theladygoldfish]

I'm having a similar problem. I got Amnesia off of Steam yesterday, and when I go to play it, the game won't load. It says that a crash has occured, and also this:
"Amnesia.exe caused an EXCEPTION_ACCESS_VIOLATION in the module <UNKNOWN> at 001B:00000000"
I've downloaded updates, rebooted, turned off my Anti-Virus software, tried launching it from the folder/shortcut/Steam but nothing I do makes a change.
Any help? I really don't want this to have been a waste of money