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Err_tunnel_connection_failed: 7 Tested Ways to Fix It

Updating Chrome to the latest version is a quick solution

8 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Err_tunnel_connection_failedis an error message caused by aproxyexception. It typically occurs inGoogle Chromewhen the web browser refuses to establish an Internet connection through theproxy.

The problem could be caused by improperChromesettings or incorrect Windows 10 network configuration.

Whatever the cause might be, if you have trouble going online, accessing restricted content, and browsing the web due to theerr_tunnel_connection_failederror, follow the 8 simple solutions we provided below to fix it.

What does error code Err_tunnel_connection_failed mean?

What does error code Err_tunnel_connection_failed mean?

Err_tunnel_connection_failedtypically happens on personal computers that connect to the Internet over a virtual private network (VPN) or proxy server.By removing the header information from user requests to access websites, virtual private networks (VPNs), and proxy servers can help conceal or disguise your identity online.The vast majority of the time, this will not result in any problems, and you will be able to maintain a connection to websites without any complications.

On the other hand, there are instances in which there might be a disparity between the data that was expected and the data that was supplied, which leads to theerr_tunnel_connection_failedin the Chrome browser.

The following error messages were reported by using and are related to the connectivity issue in Chrome:

Without further ado, let’s jump into the list of solutions that will address every case scenario that is possible to disrupt your browsing experience. Follow along!

If Google Chrome sends you errors more often than you would like, consider switching to a better browser likeOperaOne. It’s extremely lightweight, loads pages fast, and supports Google Chrome extensions.

Opera is wrapped in an intuitive and fully customizable interface. You can create your own workspace, connect to your favorite social media apps and use advanced inbuilt tools like an adblocker and VPN.

Opera One

How do I fix err_tunnel_connection_failed?

How do I fix err_tunnel_connection_failed?

1. Update Chrome to the latest version

Theerr_tunnel_connection_failederror proxy exception might be caused by an older and outdated version of Chrome. However, you can quickly fix this problem by simply updating the browser to the latest version.

If you encounter aChrome update error, check if the Google Update service is enabled on your PC.

2. Check proxy settings

Google Chrome uses the Windows proxy settings, so make sure to check if the proxy configuration is correct, whether you selected automatic or manual proxy setup mode.

If you haveproxy connection issues on Windows 10, you might have to perform a malware scan on your computer and remove any suspicious software applications which may be the cause of the proxyerr_tunnel_connection_failederror.

3. Clear browsing data and cache

To ensure that Chrome is the cause of theerr_tunnel_connection_failederror, use a different web browser to go online.

Once you determine that the error solely occurs in Chrome, make sure toclear browsing data and cache. Afterward, restart the web browser and try again.

4. Disable proxy and use a VPN instead

If everything else fails, consider dropping your proxy server and using a reliable VPN instead.

We suggestedPrivate Internet Access (PIA)in our example above because it’s the best VPN for secure browsing.

Besides protecting your online privacy, PIA can alsounblock websitesand help you watch Netflix US, Hulu, and others.

Created by Kape Technologies, Private Internet Access brings more than 3,300 VPN servers spread across 48 countries. It’s compatible with Windows, Mac, Linux, Android, iOS, and even routers. Plus, it has browser add-ons prepared for Google Chrome, Mozilla Firefox, and Opera One.

If you still want to use a proxy server, you can do so while the VPN connection is active, thanks to the fact that PIA has built-inSOCKS5andShadowsocks proxy. It also includes exclusive DNS servers, an ad and malware blocker for browsers, an emergency kill switch, together with static and dynamic IP addresses.

More about PIA:

⇒Get Private Internet Access

5. Reset Internet settings

Another solution to fix theerr_tunnel_connection_failedVPN error is toreset the network settingsby flushing your DNS and resetting Winsock. If this doesn’t solve the problem here, proceed to the following steps.

6. Change your DNS servers

Your faulty DNS servers might be the reason why you keep setting theerr_tunnel_connection_failederror proxy exception when trying to go online using Google Chrome. In that case, you canchange DNS settingsto solve this matter.

We suggest usingGoogle Public DNS,Cloudflare, orOpenDNSsince they are public, free, fast, and secure DNS servers.

7. Reset Chrome settings

Restoring browser options to their original configuration is one of the simplest ways to fix the proxy err_tunnel_connection_failed error.

It’s the same thing as installing a fresh version of Chrome on your PC, which is unaffected by user settings and various ways of customization.

How do I check my proxy settings?

To recap,err_tunnel_connection_failedis a common error proxy exception that occurs in Google Chrome. However, you should be able to fix it in no time using the solutions we provided above.

If you’re using a proxy server to protect your online privacy and unblock websites, you should consider replacing it with a premium VPN service likePIAsince it’s faster, more secure, and less prone to errors.

Don’t hesitate to leave a comment in the section below and tell us what you think. Thanks for reading!

More about the topics:Google Chrome Errors,proxy server,VPN

Elena Constantinescu

Windows Software Expert

Elena started writing professionally in 2010 and hasn’t stopped exploring the tech world since. With a firm grasp of software reviewing and content editing, she is always trying new things to improve her skill set.

Once in a blue moon, she steps aside from the desk to play with her bunny and to water her probably dead plants.

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Elena Constantinescu

Windows Software Expert

Elena started writing professionally in 2010 and hasn’t stopped exploring the tech world since. She’s a software reviewer and content editor.