n'est actif que sur la fenêtre d'accueil qui n'est même pas alors ouverte dans Adobe

This is OK for those who like this bad software called Adobe Reader, (the only thing to do is to enter the Adobe path in the options) but I through I could use it with the (portable) PDF reader I've chose, a better than Adobe, like for instance Sumatra PDF, but it only works with Adobe. That's a pity it can't open custom reader, if we specify the path in the options.

it works!

Ok