I believe that is the case as well... For kicks, start fresh, load the data new.. I have had it happen before when I instructed FP it was tab delimited and it was actually csv, it never really recovered.. So, open the data wizard, relocate the file, make sure you're selecting the proper format and be sure to check the "treat field values as tagged text" and see what's up..
It could be the old "can't see the forest for the trees" syndrome..
Mark