~To address your problem~
Replace the tables from the port with the original.
And I'll assume for the sake of completeness that you don't know what I'm talking about.. in that case, your going need to replace the files that were installed on your machine when you d/led the PORT (Games/Freespace2/data/tables) with your originals.
Where those are, I don't know. It would depend on where you put them, if you copied them. If you didn't copy your data folder, you're going to need to do a reinstall of FS2 or have somebody send you theirs.
hmm.. all we have to do is make a really ****ty mod and then we get tons of new people to join the fold bearing Bugs!
oh. yea, welcome to hardlight