Ive gone ahead and tried your solution with saving the file as dxf and then reopening the file and saving as dwg again. It worked as far as the 'Created by an Autodesk Educational" water mark but I'm still getting this weird directoru infomation and stuff along the bottom of the PDF's. I thought it was a part of the Autodesk educational watermakr but apparently it's not. any ideas about this?