Google Chrome is one of the fastest and advanced browsers developed by Google. It has various features but apart from its advantages, most of the users reported an issue ‘err_tunnel_connection_failed’. It simply means Chrome failed to establish a connection with the network.
So, if you are also facing the same issue and looking for a comprehensive solution to resolve it, then head towards the solutions listed below. But before moving ahead, let’s have a quick glance at the causes behind the issue.
The reason behind err tunnel connection failed issue
- Improper Proxy Settings
- Cookies and Caches
- DNS failed to establish a connection
- The conflict between the browser extensions
How to fix err tunnel connection failed issue?
1] Turn off Proxy Server
As stated earlier, if proxy settings are improperly configured, then it may lead to an issue ‘err_tunnel_connection_failed’ and to resolve the same, you need to disable the Proxy Server and the steps for the same are listed below.
- Move to the ‘Start’ menu, right-click on it and further click on ‘Run’.
- Soon, a Run box will open and here you need to type ‘inetcpl.cpl’ and after that press the ‘Enter’ key.
- Thereafter, an ‘Internet Properties’ window will appear on the screen and you will have to click on the ‘connection’ tab located at the top of the page.
- Now move to the ‘Local Area Network Settings’ section and click on the ‘LAN settings’ icon that is located at the bottom of the page.
- The above step will direct you to the new window with few options, click on the checkbox ‘Automatically detect settings’ to select it.
- Thereafter, move to the ‘Proxy Server’ section and uncheck the box stating ‘Use a proxy server for your LAN’.
- After completing the above step, click on the OK button and then restart your computer.
2] Wipe out the DNS to fix ERR_TUNNEL_CONNECTION_FAILED error in Chrome
- Open the command box in the administrator mode and for that click on the ‘Start’ menu, type ‘CMD’ in the search bar and after getting the search result, click on command prompt (Admin) to run it as administrator.
- The above step will direct you to the command prompt page and here you need to type ‘ipconfig/flushdns’ in the box and then press the ‘Enter’ key.
- Now, close the command box and then check whether the issue persists or not.
3] Reset TCP/IP
- To perform this task, you need to open the command box and you can do the same as mentioned in the above stanza.
- After reaching the command prompt page, type nbtstart-r and then press the ‘Enter’ key.
- Thereafter, type another command that is, netsh int ip reset and further press the ‘Enter’ key.
- Now the last command which you have to type in the command box is netsh winsock reset and after giving the command, hit the ‘Enter’ key.
- Now, close the command box and restart your computer.
4] Configure the DNS address Manually to fix ERR_TUNNEL_CONNECTION_FAILED error in Chrome
- Move to the bottom left of the taskbar and then click on the ‘Network’ icon. Or go to Control Panel by pressing Win+X+P keys at a time.
- Now click on ‘View network status and tasks’ given under the ‘Network and Internet settings’ section.
- Soon, you will be directed to a new window that will provide the status of the connection with few options.
- Move to ‘Change your network settings’ section and then click on ‘Change adapter options’.
- Now select your connection, right-click on it and then choose ‘properties’ option from the drop-down menu.
- Thereafter, a new pop-up window will open which will show the properties of the connection, select ‘Internet Protocol Version 4(TCP/IPv4). After selecting Internet Protocol Version 4, click on the ‘Properties’ tab located at the bottom of the page.
- The above step will direct you to a new window and you need to click on the radio button ‘Use the following DNS server addresses’.
- Move to the ‘Preferred DNS server section and type 188.8.131.52 and after that move to the ‘Alternate DNS server’ and type 184.108.40.206.
- After the completion of the above step, click on the ‘OK’ button.
5] Clear Google Chrome Browsing data
If the err connection failed issue is occurring in Chrome only, then the problem is from the end of the browser and to fix the same, you need to clear the browsing data. The process is very simple and the detailed steps are provided below.
- Open Google Chrome.
- Click on the ‘More’ icon located at the upper right corner of the page which is symbolized with three vertical dots.
- Now, select ‘More tools’ from the drop-down menu.
- Soon you will find additional options in the ‘More tools’ section, click on ‘Clear browsing data’. You can also open this panel directly by pressing Ctrl+H keys together.
- Thereafter, a new window will open and here you need to click on ‘Advanced tab’.
- After that select ‘All-time’ from the ‘Time range’ section and then select all the checkboxes.
- After completing the above steps, click on the ‘Clear data’ button that is located at the bottom of the page.
6] Update Google Chrome to fix ERR_TUNNEL_CONNECTION_FAILED error in Chrome
The issue err connection failed means Chrome is not able to connect to the network and one of the possible reasons is the outdated browser. So, you must update Chrome to resolve the issue.
- Launch Google Chrome.
- Click on the ‘More’ icon located at the upper right corner of the page.
- Now select ‘Help’ from the drop-down menu.
- Soon, you will find a few options listed in the ‘Help’ section, click on ‘About Google Chrome’.
- Thereafter new pages will open that will show about the version of Chrome and if it is outdated, then Chrome will update it automatically.
So, these were effective solutions to fix the err_tunnel_connection_failed issue. On the off chance, if you stuck amid the process or need any kind of assistance, then feel free to comment in the box provided below. Our techies will assist you and will help you to get rid of the issue. Hence, stay tuned with us and experiences the utmost features of the Windows OS without any interruption.