An update from me: Yesterday I was notified by Apple of a new version of System called Mohave, Version 10.14 and I updated to it. PDF Elements has stopped crashing as soon as I try to launch it, and I have been able to load up and OCR three very large documents. It is too soon to say there won't be any other problems, but this is definitely a step in the right direction. Anyone else on a Mac having this crashing issue could consider System 10.14 to see if it helps.... Thanks to all those who responded on this topic.... I'll update again if I have more problems....