On the LAN Settings screen, uncheck the option to Use Proxy Server for LAN and also check the option to Automatically detect settings and click on OK. On the Internet Properties screen, click on LAN Settings button, located under Connections tab.

Scroll down to “System” section and click on Open Proxy Settings. On the Settings screen, scroll down to the bottom of the page and click on Advanced. Disable Proxy ServerĪs mentioned above, this solution is suitable in case you want to connect to the internet directly and do not want to use VPN or Proxy connections.Ĭlick on the 3-dots Chrome menu icon located at the top-right corner of your screen and click on Settings in the drop-down menu. However, if you want to continue using the VPN or Proxy server to connect to the internet, you can try methods 2 ~ 5 as listed below to fix Err_Tunnel_Connection_Failed Error in Chrome. The easiest way to fix Err Tunnel Connection Failed error in Chrome would be to disable the Proxy server on your computer and re-load the webpage that you were trying to access. How to Fix Tunnel Connection Failed Error In simple terms, ERR_TUNNEL_CONNECTION_FAILED Error in Chrome can be described as an occasional inability of the Chrome browser to resolve VPN or Proxy connections on a Windows computer.