ERR_CONNECTION_RESET

This is so weird that it is driving me crazy.

I have 5 computers. On 4, I can get to my self-hosted site without any issue in ANY browser, be it Chrome, IE or Firefox.

One the 5th computer, starting just today, I cannot get to my site in Chrome ONLY. I get a ERR_CONNECTION_RESET error. IE and Firefox work fine on this computer.

I have repaired Chrome, cleared cache, tried incognito, etc.

The site does appear in developer mode when looking at it as a mobile device.

I don’t feel like it’s a site issue, but I haven’t changed anything (really) on my PC. Any thoughts on how to diagnose?

Thanks
Mike

The page I need help with: [log in to see the link]