When you use your work computer, is your Lectora (.awt) and/or MP# file stored on the network? Lectora really doesn't like working on files on the network....it is MUCH happier when you do you work on your hard drive. (Of course, you'll want to backup the files from your hard drive to the network when you're done working for the day, just to be safe.)If you've been working with your files on the network at work, try copying them to your hard drive and see if that fixes your problem.Laura