Garmin trainer installation issues

[adminOwner2]

Hello, I am trying to download the trainers and I keep getting an error message saying "Complete Error details:
 - Install Error:
     - Internet related error. Please check your Internet connection, firewall, and proxy settings and then retry.
         - Installer error output:
            Response status code does not indicate success: 503 (Service Unavailable)."

I have good internet connection, firewall and proxy is both off. Not sure what else to do. Thanks

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