Do you happen to be using a VPN?
See this thread for more details: https://itch.io/t/667208/getting-connection-refused-error-in-frame-for-unity-html-game-xeewolf
it's not turned onand it has not been in a while
but i am on a chromebook, if that changes anything(knowing how Chromeos is, i wouldnt be surprised if thats the issue)
