Cannot launch Aduino Uno IDE

Yes, I am using IDE 1.8.5.

Tried the following steps to download the file:

At Arduino Short Cut
Run as Administrator - failed
Arduino_debug - double click - Arduino.exe - select Yes - flashed and disappeared - failed
Run as administrator - double click - Arduino.exe - select yes - flashed and disappeared - failed

I have uninstalled & Installedl the IDE several times. The Green LED is on all the time & the Yellow LED flashes.