Fixing failed to fetch error

In order to fix Failed to Fetch error on MacOS you can try to do one of the following:

1. Solution #1
   • Go to the /Library/Preferences/SystemConfiguration
   • And delete following files(back up them earlier)
   • Preferences.plist
   • Network interfaces.plist
   • Com.apple.airport.preferences.plist
   • Check whether problem is gone