pdf output

Hello, I'm struggeling for about 2 days to get my drawings exported. After updating to Win10 I updated to Alibre v2018 too. Since then the Export PDF function isn't working for me. With v2018 there was no prompt oder exception or error message or anything. I was thinking that maybe v2018...

Is it a bug, or have I missed an option somewhere, but if you selected an item on a 2D drawing (i.e. view or bitmap) for which you see a bounding box for the item; when you do a print (physical of virtual PDF printer), should you really still see the bounding box on the PDF or printed page...