Aarklash Legacy normaly is good configured but sometime for some users can be a pain and can give you "Failed to create the D3D9 Device" and you can solve this issue very easy by following this guide. But if your problem is not solved, you need to configure it manualy ! How ?? well just follow our video guide here.
Failed to create the D3D9 Device! This can happen if the desktop is locked. Exiting...
How to fix it ? just go to Data folder and open AutoConfiguration.xml , then change resolution to your native resolution and save it! Aarklash Legacy