This may sound crazy - but run the setup from command prompt with -console, as you did - but immediately launch 3 more setups from the command prompt without the -console. They should all be extracting at the same time. In a few minutes you should have at least one wizard, allowing you to install. Close any extra wizards. Let me know if it works for you. I've done this on a few servers and its worked every time. Good luck.
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