ERR_TUNNEL_CONNECTION FAILED Error Chrome gets prompted on the users screen when the Google Chrome browser fails to create a tunnel that connects to the website host user is trying to open or else Chrome fails to connect to the internet. And as per the victims once of the major reasons for facing the same is the use of a proxy to connect to the internet. And some of them have also claimed that browsing data and Cookies saved in Chrome are also responsible for the same. And according to our investigation there are many other reasons that lead to the above mention error. If you are also trying hard to get past the error then follow the enlisted methods to fix the error.

How to resolve ERR_TUNNEL_CONNECTION FAILED Error Chrome

Method 1: Clear Browsing Data in Chrome

In the very first method try to access the internet on the browsers and if the above mention error is encountered specifically to Chrome then in such case clean out the browsed data.

To do so follow the below mention steps:

  • Under the address bar of Chrome, you need to type in chrome://settings and press Enter key to open the Chrome’s Settings

  • Now scroll down on the Settings screen and tap on the Advanced option>In the Advanced Chrome Settings Menu, in the Privacy and Security section, you will find the Clear Browsing Data Tap on it

  • It will open a new menu where you have to select the data you need to clear from Chrome. Then select All the items and from the Clear the following items from the drop down menu and select All Time And after that click the clear Data button

Once done then Restart your System and see if the issue resolved or not.

Method 2: Reset Network Settings

In this method we suggest you to Reset your Network Settings and to do the same follow the below mention instructions:

  • First of all open Command Prompt in Administrator Mode. To do so press Windows button and type in Command Prompt to open the Start Menu. The command prompt option will appear in the search result and right-click on it, & press Run as an Administrator option in the right-click menu

  • Under the Command Prompt window, you need to type the following commands and don’t forget to press Enter after each line.

ipconfig /flushdns

nbtstat –r

netsh int ip reset

netsh winsock reset

Once all the commands run successfully then restart your PC and check if the issue resolve or not.

Method 3: Reset Chrome Settings

In this method we suggest you to reset the Chrome Settings as several users have claimed success after using this method.

Here’s how:

  • Under the address bar of Chrome, you need to type in chrome://settings and press Enter key to open the Chrome’s Settings >then scroll down on the Settings screen and click on Advanced option
  • Under the Reset and Clean up section of Advanced Chrome Settings then click on the Restore Settings to their original defaults option. This will confirm if you want to reset the browser. And then confirm and once the reset is done, Restart Chrome and see if the issue resolved or not

Method 4: Disable Proxy Settings

If you are still struggling with ERR_TUNNEL_CONNECTION FAILED Error Chrome then in such case change the proxy settings on your PC by following the below mention steps:

  • In order to open Run box press Windows + R keys>then type in cpl in it and tap on OK
  • Click on Connections Tab>then click on LAN Settings

  • It will open the Internet Properties Window & automatically direct you to its Connections Here, click on LAN Settings

  • It will open a separate window and where you need to unselect Use a Proxy Server for your LAN Ensure that the Automatically detect Settings option is selected. And tap on the OK button to apply the changes
  • Lastly Restart your System
Method 5: Change the DNS Server

Several users have claimed that changing the DNS Server works for them so we suggest you to try the same in order to resolve the above mention error.

Follow the steps for changing the DNS Server

  • Firstly select the Network icon from the Taskbar that’s located on the bottom right side of your PC screen>the similar icon that allows you to connect with the Wi-Fi network using your PC. And then right-click on Network Icon and from that choose the Open Network and Sharing Center option & then open the Network and Sharing Center window
  • Once it opens, go to the Option, View your active networks section. And after that Click on the Network that you are currently connected with.

  • After that it will open Internet Connection Status. In that Window, tap on the Properties option

  • After that click on Properties Window, in that select Networking tab & find the Internet Protocol Version 4 (TCP/IPv4) option from that provided list & double tap on it.

  • After opening IPv4, you will be able to see whether DNS is set to obtain automatically or else set to some other provided value. Either way, make sure that one of the DNS Server address options is selected. And when done, manually enter the below Google Public DNS Server Address.

And when you set the DNS address, select & check the Validate Settings upon exit option. Once it’s done, tap on the OK button and apply DNS Settings.

Lastly Restart your PC and open Google Chrome browser and check if the issue resolved or not.

Method 6: Update the Chrome Browser

If none of the above mentioned methods works for you then we suggest you to update your Google Chrome. To do the same follow the below mention guidelines:

  • Tap on the three dots present at the far right end of the Chrome’s address bar to open Chrome’s menu>after that go to Help section, and tap on About Google Chrome option.

  • After that your Chrome browser will open new window. After that it will start looking for a newer version. And if available, you will get an option Update Google Chrome. Now initiate the update & restart Chrome once the update is done.

That’s all about ERR_TUNNEL_CONNECTION FAILED Error Chrome. We assume that you liked the blog and it was helpful for you.