How to fix ERR TUNNEL CONNECTION FAILED in Google Chrome?

The ERR TUNNEL CONNECTION FAILED error can appear in the Google Chrome browser when navigating to different websites. As a rule, such a problem arises due to an activated proxy server in the network settings, but there are other reasons: VPN, Wi-Fi router malfunction, DNS cache, etc.

How to fix ERR TUNNEL CONNECTION FAILED?

ERR_TUNNEL_CONNECTION_FAILED

Method # 1 Disable proxy server and VPN

Often ERR TUNNEL CONNECTION FAILED can be solved by simply disabling the proxy server in the network settings. To do this, you need to do the following:

  • press Win + S to call the search bar;
  • write “Control Panel” and select the found result;
  • open “Network and Internet → Browser options”;
  • go to “Connections” and click on “Network settings”;
  • uncheck the “Use a proxy server …” option;
  • save your changes.

Are you using a VPN to connect to the Internet? Disable it, especially if this VPN is an extension in Google Chrome. Once you deactivate the proxy server and VPN, try going to the desired page and check if the ERR TUNNEL CONNECTION FAILED error has disappeared.

Method # 2 Reconnecting the network and restarting the Wi-Fi router

Try to reconnect to the Internet – sometimes such a simple procedure is enough. Also try restarting your Wi-Fi router, if available.

Method # 3 Resetting the DNS cache

The ERR TUNNEL CONNECTION FAILED error may be due to the accumulated DNS cache. To get rid of it, you need to do this:

  • press Win + R;
  • write in cmd and press Ctrl + Shift + Enter;
  • paste the command ipconfig / flushdns and press Enter;
  • restart your computer and check for the problem.

Method # 4 Reset network settings

There is a chance that something is wrong with the network settings on your computer – they need to be reset. Open Command Prompt again (see above) and run the following two commands in it:

  • netsh int ip reset
  • netsh winsock reset

If you are a Windows 10 user, you can open Settings, go to Network & Internet → Network Reset and click on the Reset Now button.

We hope that this material was useful to you in the fight against ERR TUNNEL CONNECTION FAILED.

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