I have just set up my new Fenix 5. Installed the Android app with no issues, all working fine. I then installed Garmin Express for my Mac (10.11.6 (15G18013)) which seemed to go fine. That is until the installation finished and the application tried to open, I got this:
https://www.dropbox.com/s/pzr2fdalnfqtp5q/Screenshot%202018-04-18%2017.29.46.png?dl=0
Please advise.