macOS notes

On later versions of macOS, users may have to "unquarantine" StarTools, before the OS allows it to run. Alternatively StarTools can be launched via control + clicking (right clicking) on the application, Show Package Contents, navigating to Contents/MacOS and clicking on the application.

The following command unquarantines StarTools;

xattr -dr com.apple.quarantine StarTools.app

See the screenshots for more information.