Guild of Writers

Since it seems I can't post on the official MOUL forum, I thought I'd give this a try. I'm getting weird error messages when I try to run MOUL. I log in, get to Relto, but as soon as I move the mouse, the game crashes, and I get the following error messages:





I updated my graphics drivers, and even did some updates to WIndows 8.1, but I keep getting this. Any ideas?