Failed to create D3D device?

I was playing Gmad with a friend last night, and it worked perfectly fine. We go to continue our quest today, and Gmad goes lol nop. Giving me some bullshit Failed to create D3D device. Anyone else getting this? Or know how to fix it?

[editline]30th July 2011[/editline]

http://dl.dropbox.com/u/6643010/Fraps%20screens/Dwm%202011-07-30%2013-30-49-42.png