great!! its working now : But now have a bios problem, I select the bios file, but 4DO says "Cant open Bios File" :o 12/03/2012 23:10:13 4DO Starting up 12/03/2012 23:10:13 GameSource - No cue file found. After taking a guess on the format based on file type and file size, the format used ...

11/03/2012 15:51:10 4DO Starting up 11/03/2012 15:51:11 Unhandled exception: System.IO.FileNotFoundException: Could not load file or assembly 'SlimDX.dll' or one of its dependencies. No se puede encontrar el módulo especificado. File name: 'SlimDX.dll' at FourDO.UI.GameCanvas.CreateChildCanvas() at ...

Same problem here, Windows 7 x64, 4DO instantly crashes when i run it.
Any help?