"Thank you, Susi! It worked!  Now I will have to change a lot in my whole project, hopefully I can solve everything! :)"

"Thank you Richard for thinking with me. When I preview the slide, it's fine, but previewing the entire project still causes problems. It..."

"Hi Susi,  Thanks for the quick response, but I don't think that's it, as it first works fine and then decides not to.. I don't see anyth..."