As you can see, this is obviously a problem--no interface, so I cannot play:
http://img194.imageshack.us/img194/2367/ffhbug.jpg

Is there any way to fix it?

There's a thread about this...

http://forums.civfanatics.com/showthread.php?t=246128

(Good luck -- I'm just about to finish playing it for the first time, and it's lots of fun.)