6 Ways to Fix Err_Tunnel_Connection_Failed Chrome | [ Problem Solved ]


No doubt chrome is one of the famous and most used browser but sometime it gives lots of problem by giving different weird errors like “Err_Tunnel_Connection_Failed” . “ERR_CACHE_MISS” , and many more.

These error seems to be more frustrating than they actually are. Solving such chrome error is really easy and need only 5-10 minutes of work,  if you are wondering how to solve Err_Tunnel_Connection_Failed, then we will share with you all the different methods to fix the error.

What causes Err_Tunnel_Connection_Failed?

You see Err_Tunnel_Connection_Failed in your chrome browser if there is some conflicts or misconfiguration. This may be in your browser, in your network connection or in the website you are trying to visit. Here are some of the known causes for Err_Tunnel_Connection_Failed:

  1. There is conflicts in your browser datas
  2. Incorrect network Configuration
  3. Issue with DNS
  4. Usage of VPN is blocked
  5. Incorrect proxy Configuration

Now that you know the causes , lets’ discuss about the solution for it.  We will mention different methods to solve the Err_Tunnel_Connection_Failed problem, just follow them one by one and your error is gone for good.

How to fix Err_Tunnel_Connection_Failed?

The problem for Err_Tunnel_Connection_Failed is so common that everyone can face this once in a while. But like the problem the solution is also very easy. Just follow the steps below and the problem is solved.

As mentioned above there are different reasons for Err_Tunnel_Connection_Failed so the solution for each problem are also different. We don’t know why you are facing this error neither you know. So here we will list the different methods to solve the Err_Tunnel_Connection_Failed error. We will start with the most common solution that worked for most of our readers then we will move to other solutions. You can follow the solution from solution number 1 to solve Err_Tunnel_Connection_Failed.

Solution 1: Restart your PC

If you are following our blog from quite a time then you probably know the first step to fix any problem, its restarting the PC.

Almost 80% of the problem (until something misconfigured or some required files are deleted ) that you face in your PC are solved by simply restarting your PC. So, have you tried restarting you PC?

If you haven’t tested it then its better to restart the PC because most of the readers facing “Err_Tunnel_Connection_Failed” is solved by a simple restart of the PC.

Solution 2: Checking the DNS record

If you are wondering what  is DNS, then let us explain this to you in simple form.

The website of Google is but thats lots of number to remember so to make our work easier and save from from using such numbers DNS works. When you visit a website say Google the DNS change the and the browser will open Google official website. Its like a magic right?

Sometimes when the DNS could resolve the ip address then you will see Err_Tunnel_Connection_Failed in your chrome browser. To solve the issue we have to just change our DNS record. To change the DNS record of your PC just follow the steps below:

Note: All the tutorial are made in Windows 10. For other version of Windows, the steps may be a bit different but the methods are same.

Here are some of the Useful DNS which you can use.

Google DNS:




Cloudflare DNS


To change the DNS record of your PC just follow the steps below:

  1. Open the control panel in your PC.


  2. Search for “Network Sharing”.


  3. Open the Network and Sharing and click on “Ethernet / Wifi Network” depending whether you are connected via LAN or Wifi. (In this tutorial I am using LAN so it is shown as Ethernet).


  4. Click on “Properties”Err_Tunnel_Connection_Failed
  5. Double click on “Internet Protocol Version 4”Err_Tunnel_Connection_Failed
  6. Use the following DNS server address” and enter any of the DNS mentioned above.Err_Tunnel_Connection_Failed
  7. In the above example we are using the Google DNS. After entering the DNS of your choice, just hit “OK” and restart your PC.

If you have followed the steps and solved the problem then congratulations but if this doesn’t help you yet then probably the problem is not with the DNS misconfiguration.

Solution 3: Checking for Proxy Misconfiguration

Now that you know the problem is not with the DNS maybe there is some problem with the proxy because of which you are getting Err_Tunnel_Connection_Failed. For checking either the problem is with proxy or not its simple just follow the steps mentioned below:

If you are using the Proxy service then contact your proxy provider and let them know your issue. If you are not using any of the proxy then follow the following steps:

  1. On your Chrome click on the three dot.Err_Tunnel_Connection_Failed
  2. Once you have click on that Go to “Settings” and scroll down until you see something saying “Advanced“. Once you find that click on it and scroll further below to System Setting.


  3. Then Click on “Open Proxy Settings” then click on LAN, located in the “Connection Tab


  4. Then uncheck the option to “Use Proxy Server for LAN” and also check the option to “Automatically detect” settings and click on OK.


Once you have done the above changes restart your PC and you should now open the website that you wanted to view without any issues.

If this also doesn’t solve the problem then move to the following solution.

Solution 4: Flush DNS and assign new IP Address

Sometimes, there occurs the conflict in your IP Address which will cause the Err_Tunnel_Connection_Failed. If that’s the case then open the command prompt in your desktop and enter the command mentioned below.

To open the command prompt, Open the start menu and search for “CMD or Command Prompt” . Then enter the following commands one by one.

ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew

netsh int ip setnds
netsh winsock reset

ipconfig /renew
ipconfig /renew

Solution 5: Use VPN

As mentioned earlier the “Err_Tunnel_Connection_Failed” is because of conflict in your IP.  Conflict with IP address means you can use VPN and solve the most of the IP problem.

If you are wondering what is VPN then you can check our previous articles about VPNs.

Solution 6: Update your browser

Many problems arise while you are using an outdated and old version of browsers. If you face the ‘Err_Tunnel_Connection_Failed’ Error, it will be a smart move to update your existing browser to the latest one.

If you want to update the browser to the newer version. Then head over to the Setting tab and About Chrome Section.

Check if your browser is up to date. If it isn’t then make sure to update it to the latest version that exist.

Fix "Err_Tunnel_Connection_Failed" Error - Chrome Setting
Fix “Err_Tunnel_Connection_Failed” Error – Chrome Setting

Final Thought

No doubt ‘Err_Tunnel_Connection_Failed’ is the common error faced by the chrome user. Like its common nature the solution is also pretty easy and almost similar to most of the solution for Chrome error.

the authorABHIYAN
Abhiyan Chhetri is a cybersecurity journalist with a passion for covering latest happenings in cyber security and tech world. In addition to being the founder of this website, Abhiyan is also into gaming, reading and investigative journalism.