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Google Chrome is currently the most used browser thanks to its features, features and development options that make it unique.

Like any program or application, Google Chrome is not exempt from faults and one of the common ones that we can see in this browser is the error ERR_CONNECTION_CLOSED.

This error in Google Chrome usually occurs when there are invalid settings on network devices and server certificates that don’t match.

So let’s see some practical methods to fix this error.

Method #1: Restart DNS Client Service

  1. Press the following keys Winkey + R and run the following command: services.msc
  2. Locate the service “DNS Client” and right-click on it, select the option “Restart,” if it is active.

    By default, this option isn’t active because this service is configured automatically and is always running.

Method #2: Modify DNS Server

The IP address is our identifier in the network and therefore its unique, but sometimes this can lead to some error and thus affect the optimal communication between our computer and the web.

  1. To edit the DNS Server, press the keys Winkey + R and run the following command: ncpa.cpl
  2. Right-click on your network adapter and select the option “Properties”:
  3. In the new window, double-click on Internet Protocol Version 4.
  4. Now, enable the “Use the following DNS server addresses” box and assign the following IP addresses. Click OK to apply the changes.
    Preferred DNS server :
    Alternative DNS server :

Method #3: Reset TCP/IP

This option involves a series of commands that allow you to perform tasks such as releasing and renewing the IP address and so on.

For this, open the command prompt as administrator and execute the following commands:

ipconfig /release
ipconfig /all
ipconfig /flushdns
ipconfig /renew
netsh int ip set dns
netsh winsock reset

Method #4: Reinstall Google Chrome

An extreme case is to reinstall the browser.

  1. For uninstall Google Chrome go to the Settings in Windows 10 or press the keys Winkey + I
  2. Go to Apps and there, in the section “Apps & Features,” click on Google Chrome and click on the “Uninstall” button:
  3. Then, go to the Google Chrome website to download it again and install it.

Method #5: Reset Google Chrome Settings

Another option you have is to reset the browser settings to their default values.

  1. For this, go to the URL bar and paste the following: chrome://flags/
  2. Click on the “Reset all to default” button. Google chrome will restore all the settings to their default values.

chrome reset all to default

Method #6: Check Proxy Server

This option applies when you use a proxy server, which improves security and privacy, but if it’s misconfigured, it will affect connectivity.

  1. To check this, go to the Start Menu and click on Settings Winkey + I
  2. Go to Network and Internet and then to the Proxy section.
  3. There disable the proxy to troubleshoot your internet connection.

Method #7: Check System Firewall

The Firewall can interfere with the ideal connection of Google Chrome, to check this, you can temporarily disable the Firewall and thus validate if the connection works well.

  1. For this, press the keys Winkey + R and run the following command: firewall.cpl
  2. Now click on Turn Windows Firewall on or off:
  3. Finally, check the boxes “Turn off Windows Defender Firewall” and verify if Google Chrome works now:

With some of these methods it will be possible to easily fix this error in Google Chrome.

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