Techman,
Since I couldn't run start.jnlp, I didn't have a IOX Launcher created.
I just now looked at my one save in my backup directory and see the target field shows "C:\Program Files\Java\jre1.8.0_451\bin\javaws.exe" -localfile -J-Djnlp.application.href=https://isy.universal-devices.com/launcher/isy.jnlp "C:\Users\Joel\AppData\LocalLow\Sun\Java\Deployment\cache\6.0\14\7f87040e-2e6e8a70"