Thanks Xavier, this makes perfect sense. I will e-mail you 
privately as I may be able to make things easier for you 
in searching for a workaround.

>>>So I suspect that the real pdf file, which was probably 
downloaded, it "elsewhere" in the same project 
directory.<<<

Any suggestions on what we might be looking for? Several 
of the members of the group I belong to have looked to see 
if we could find something called 'temp file' or just 
something out of the ordinary to investigate but could 
locate nothing.