It's set up as directed. I've tried everything short of editing code and reformatting. Yes, it worked for quite awhile, maybe 5 months. I was having issues with steam vr detecting the headset. So I uninstalled steam vr and the vive wireless app. When I tried to reinstall the vive wireless app it started showing the error, and wouldn't install. Yes, the firewall isn't impeding as far as I know. Everything is up to date.