where is the PDF plugin for hero lab
 

it tells me to get the PDF plugin for hero lab i need to go to the "Updates mechanism" i'm using classic what is going on and what is this plugin and where do i get it

Click on Find Updates, on the main "Select a Game" system page. Then you want "PDF Plug-in for Windows".
You need it to generate PDF's in HL to be able to view/print them. When you have downloaded it, and run it - close HL - then go back to finish the install.