Install Error: "Script Error - An error has occurred in the script on this page." (Rhino 5 for Windows)

Summary: How to the fix “An error has occurred in the script on this page.”
Related installation help: Troubleshooting Rhino 5 Installation

Running the DVD based installer, this error is displayed:

Download and run the latest Full Version - Rhino V5 installer from:
http://www.rhino3d.com/download