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How to Fix ERR_TUNNEL_CONNECTION_FAILED

Topic: Google Chrome Connection Errors | Status: Updated

What is this error?

The "ERR_TUNNEL_CONNECTION_FAILED" error occurs in Google Chrome when the browser is unable to establish a connection to the webpage. This issue typically arises due to problems with network settings, proxy configurations, or server responses.

How to Fix It

  1. Check Your Internet Connection: Ensure that your device is connected to the internet. Try loading another website to confirm connectivity.
  2. Disable Proxy Settings: Open Chrome and go to Settings > Advanced > System > Open your computer's proxy settings. Disable any active proxy servers and click "OK" or "Apply."
  3. Clear Browser Cache: Go to Chrome Settings > Privacy and security > Clear browsing data. Select 'Cached images and files' and click 'Clear data.'
  4. Disable VPN Services: If you are using a Virtual Private Network (VPN), temporarily disable it and check if the error persists.
  5. Check Firewall and Antivirus Settings: Your firewall or antivirus software may be blocking Chrome. Temporarily disable them to see if it resolves the issue.
  6. Reset TCP/IP and Check DNS Settings: Open Command Prompt as an administrator and run the following commands: netsh int ip reset and ipconfig /flushdns. Restart your computer afterward.
  7. Update Google Chrome: Ensure you are using the latest version of Chrome. Go to Help > About Google Chrome, and update if necessary.
  8. Reinstall Chrome: As a last resort, uninstall Chrome completely and then reinstall it from the official website to ensure a clean installation.
Disclaimer: This is an educational guide. We are not responsible for data loss. Always backup your system.