Thank you very much. It seems that this was the problem Best regards
Sergio 2016-09-14 11:32 GMT+02:00 Anders Ekberg <a...@me.com>: > On 2016Sep14, at 11:27, Sergio Celani <sergiocel...@gmail.com> wrote: > > > > Thanks for the reply. > > > > One more question. To install Lyx, I must first install the GPG > signature file? What is the utility of this file ? > > > > Sorry, I'm just learning to use this operating system > > > > Sergio > > No, but you need to allow Mac OS to install programs that are not from the > Apple Store in System Preferences > General > Allow Apps downloaded from:. > Chose Anywhere, install Lyx and then select what you like to have as your > standard security level. > > Anders
