Hello.
First, you should give your message a better title than "labview" because every message in this message board is about LabVIEW.
One thing I notice is that URL in the address bar of your error screenshot doesn't match the URL that is in the dialog box of your first screenshot. I don't know if you used the same URL, or if this is the case that the browser changed the address after you typed it in once the page tried to start loading.
Is the error screen shot from the same PC as the one the VI is running on? Or a different one?
The error says "connection refused". I wonder if the firewall is blocking that port, even more so if you are trying from a different PC. If that is the case, try it from the browser on the same PC first to see if that works.
It looks like you are using Chrome. That is my least favorite browser. Try using a different browser such as Internet Explorer. I think the code that runs on the browser to make the remote web panels work only works on some browsers and not others. If I recall, older IE was fine. The new "Edge" browser that Microsoft is making obsolete faster than the older Internet Explorer, I think can't do web panels. I can't remember if Chrome or Firefox were browsers that worked, or didn't work.
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