The Only thing that could cause this is that your Video card doesn't support DirectX 9.0. Please read this FAQ and post the results in this thread.
Click Here.
Instead of Emailing this. Please attach the file to this post. You can do that, by answering this post. At the bottom of the edit function in the forum, there is an
Attach File: item. Click the
Browse button beside this. Then find the file on your computer. Then click
Open once the file has been selected. It will then add the file to this post.