It sounds like it is very possible that it is an issue with the computer not supporting one of the systems.
http://feral-heart.com/index.php?option=com_jfusion&Itemid=2&jfile=index.php&topic=2296.0If you read through that, you may be able to recognize the error message.
If you go to the FeralHeart folder, and then look for the ogre.cfg file, there should be a line such as "Rendering: Direct3D" or "Rendering: OpenGL"
If it says Direct3D, try swapping it to OpenGL.
If it says OpenGL, try swapping it to Direct3D.
This is also possible to simply change when the first window comes up when you try to start the game.
As you may know, you've got to press "Ok" before the game launches.
That is where you can change certain settings before launching the actual game itself.
Give it a try, I'll provide you with the directx link asap, just in-case.