Musescore Crashes when Exporting

So, I keep trying to export a song as a .WAV file but Musescore freezes up for a couple of minutes and then crashes and closes out. The song isn't super long and complex. I am using a different soundfont, the ultimate nice keys soundfont, (https://sites.google.com/site/soundfonts4u/ The soundfont download is from there!) but other then that I can't think what could cause this. Please help me!