Hi! sometime we get issues while browsing internet, one of the most common error is ERR_TUNNEL_CONNECTION_FAILED, this is chrome browser error, there be many reason behind this error like bad DNS, Proxy setting, invalid ip etc. So here I will shows some easy steps to fix this issue in chrome browser of windows pc.
1. Method-1: Go to start type “Internet Options” and open it, click on “Connections” – “LAN Settings” uncheck the option “Use a proxy server for your LAN…...” And check on “Automatically detect settings”.
2. Method-2: Open Command Prompt as Administrator type below command and hit Enter after each command
ipconfig /flushdns
nbtstat –r
netsh int ip reset
netsh winsock reset
3. Method-3: Go to Network-Properties-Change Adapter setting- select “Internet Protocol Version 4 (TCP/IPv4)” click on “Properties” in DNS box type the below value.
4. Method-4: Clear browser cache & data
5. Method-5: Finally reset the chrome browser.