The fonts doesn´t fit my soundcard

Now i have spend four hours downloading the 4.0.2 personal copy. I cannot place it in my soundcard - no matter how i try, i get the note that the format is not right. I have a SB live card and that should work shouldn´t it? By the way, what are all those midi files about, i didn´t ask for those, i need sound fonts instead!

The confused..