Thanks Digininja,
Unfortunately the links offered no help. I look on the USB drive and see the table it references (vista_proba_free). Ophcrack looks like it is trying to find it in the wrong place (/media/sdb1/tables/vista_proba_free/table0.bin) and I don't know HOW or Where to put the table vista_proba_free so it can find it. I don't know what syntax or where /media/sdb1/tables/vista_proba_free/table0.bin. Is it looking for it on the USB? If so, it is definitely there. If it needs to be mounted, I don't know how to do that.