Any idea why when I use the "Launch a program/document" action and target a PDF file created with Acrobat 8, doesn't open? It doesn't give me an error message either. Is there an incompatibility withing Acrobat 8 and Lectora?Any idea why when I use the "Launch a program/document" action and target a PDF file created with Acrobat 8, doesn't open? It doesn't give me an error message either. Is there an incompatibility withing Acrobat 8 and Lectora?