Clipit was not working for me either. I am using DataCad 18 and I still like my vintage tools because I am used to them. Here was the problem for me: Clipit would go through its passes, then without completing the clip, would be ready for me to input the next clip. I could not copy, move, delete, whatever. If my boundary was on, it would just show up and I could do another one, but it was not working. If I hit refresh, all the boundaries I would draw would clear away. But I found a workaround. As it was going though its clipit pass process, I hit delete and for some reason it completed its process and allowed me to move the clip where I wanted. Weird.