Fix ERR_TUNNEL_CONNECTION_FAILED error in Google Chrome
If your internet connection has any proxy settings, which restrict the loading of the web portal, then you may get error 111: Net :: ERR_TUNNEL_CONNECTION_FAILED in chrome. You must disable proxy settings to resolve this error.
This is because Chromium cannot provide proxy solution for some sites. You should consider the opportunity to render secure HTML by removing HTML scripts or a plain text message, since removing all HTML / Script tags can result in an unaesthetic page, even if it is secure.
The problem is that trusted internal proxies, when sending a custom error message as a page lock message, and said custom error is not rendered ending with an arbitrary error message on the client end there is no way that endpoint can understand why the original request was not retrieved.
Fix ERR_TUNNEL_CONNECTION_FAILED error in Google Chrome:
Method 1: Change network settings
1.Go to the Chrome menu and click on «Settings».
2.Scroll down until you see "show advanced settings" and make sure to click on it.
3.Go to the Network section and click on «Change proxy settings».
4.Click on "LAN Settings" within the connections tab.
5.Finally, check the Automatically detect settings box, then click OK and then Apply.
6.Restart your computer to apply the changes.
Method 2: Try restarting your TCP / IP and clearing your DNS.
1.Right-click the Windows button and select "Command Prompt (Admin)".
2. Type the following commands in cmd:
ipconfig / flushdns nbtstat -rnetsh int ip reset netsh winsock reset
3.Restart your PC.
Method 3: Basic Troubleshooting
a) Make sure Chrome is up to date. Click on the Chrome menu, click Help and select Regarding Google Chrome, Chrome will check for updates and click Relaunch to apply any available update.
b) Delete cache and cookies. Click on the Chrome menu and select History. Now click on "Delete browsing data" and in the pop-up window make sure to choose "the beginning of time" and click on Delete browsing data.
c) Readjust your browser settings. Click on the Chrome menu, then select Settings, Show advanced settings and in the "Reset settings" section, click on Reset settings.
d) Try using Chrome in incognito mode.
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That's it, you have successfully fixed the ERR_TUNNEL_CONNECTION_FAILED error in Google Chrome. Please leave a comment in the comment section below or better yet: like and share this blog post on social media to help spread the word about this problem.
