Designer Launch Error - Mac

[Anthony_Watts]

Downloading of launchclient.jar failed, Launching will not occur

[justinedwards.jle]

Try this:

When encountering the error "launch error occurred, downloading of launchclient.jar failed, launching will not occur" in the Ignition Designer Launcher on macOS system

Found a solution!! How to Clear Client (.ignition) Cache and Java Cache – Inductive Automation Help Center Follow 1. Clearing Client Cache

[Anthony_Watts]

Thank you for your prompt support.
The referenced solution worked for me.