I am using Windows 8.1 64 bits and also had the same problem (“ERR_CONNECTION_REFUSED”) that only happened on Google Chrome. On clicking on the “Detail” on the right of the error message, the problem lies with “127.0.0.1”, in my case. So I went to the settings and opened “Manage search engines …” box in the Search section, and while scrolling down, I saw that “Google Desktop, 127.0.0.1” was made a “Default”, so I switched over to Google as the default. Hope that might be of any help.
ERR_CONNECTION_REFUSED – Solutions Encyclopedia
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ERR_CONNECTION_REFUSED Problems with HTTPS
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Hi Prateek, most of the when you get the err_connection_refused, the problem lies mostly with the LAN settings of your browser. One thing that you can do here is that check your LAN settings and restricting the websites to connect to their server for fetching the data. The next step you can take is to clear the browser caches and cookies and it will help solve your problem hopefully. https://appuals.com/err_connection_refused-on-google-chrome/