How to fix ERR_CONNECTION_CLOSED (Windows, Mac OS, Android, iOS)

Maybe corrupted registry files are responsible for the ERR_CONNECTION_CLOSED error. Try to clean them with a registry cleaning app and then try reloading the website.

Popular registry-cleaning software, which are also packed with other cutting-edge features include: CCleaner, Advanced Systemcare, etc.

Most of the time, all you need to do is to fix the ERR_CONNECTION_CLOSED error message is to restart the web browser, i.e. close it and reopen it again.

Maybe proxy settings or VPN software are responsible for this error message. If they are responsible for this message, all you need to do is to disable them (temporarily).

Clearing the cache files might be all you need to do to resolve the issue. If you are not sure how to clear the cache, check out the don't know how to clear the browser cache guide.

Maybe your internet connection, the lack thereof, is the reason for the ERR_CONNECTION_CLOSED error. Try opening another websites, for which you are sure that will work.

Feel free to check the slow internet connection guide and no internet connection guide, which will help you diagnose and fix internet-related issues.

Maybe a misconfigured firewall is the reason why you get this error message. Try disabling it temporarily and check if you can access the website. Don't forget to reenable the firewall afterwards, because it protects you from external threats.

To disable the Windows Firewall:

To enable the Windows Firewall:

The Transmission Control Protocol/Internet Protocol is a suite of communication protocols used to interconnect network devices on the Internet (more info on Searchnetworking). Sometimes, resetting this protocol is all you need to do, to fix the ERR_NETWORK_CLOSED error.

To reset the TCP/IP settings, follow the steps below:

1. Go to the start menu and type command prompt or CMD;
2. Once it appears in the search results, right-click on it and select Run as Administrator;
   * Enter the administrator's password, if prompted.
3. Once the Command Prompt opens, type the following commands in the same order as they are written here, and press the Enter key, once you write each of them (write the first command and press Enter, then write the second one and press Enter):
   
   netsh winsock reset
   netsh int ip reset
   
   
4. Close the command prompt and restart the computer.
   
   

Note: If you use a static IP address you’ll have to set it again once your computer turns on. If you don't know how or whether your IP address is static or dynamic, contact the Internet provider you are subscribed to.

If you got this error message when trying to access websites, try flushing the DNS. Check out the don't know how to flush the DNS guide, if you are not sure how to flush it.

Maybe the DNS settings you currently use are responsible for the ERR_CONNECTION_CLOSED error. Try changing the DNS settings you are using and it might help you access the website you want.

Feel free to check the don't know how to change the DNS settings guide, to learn how to change them safely.

Maybe a malicious software interfered with your browser's or device's settings and as a result, this error message appeared. Try scanning your devices for virueses and remove them, if any.

Feel free to check the computer virus protection, scan, removal guide, to learn about more ways of how to scan for and remove viruses, as well as how to protect yourself against them.

An outdated browser might cause many issues, one of them being this error message. Check if there is an update available for your browser and update to it.

If you are not sure how to update your web browser, the don't know how to update the web browser guide will be of great help.

If none of the other solutions worked, consider reinstalling the web browser, but only after you've tried to open the website in another browser and managed to do it, as well as after you've ensured that there is nothing wrong with your internet connection.

Note: Bear in mind that reinstalling the web browser means data loss and make sure to make a backup of your data.

If you are unable to open a certain website through one browser, but you can open it through another, and reinstalling the browser is not an option, use the other web browser.

Maybe the network you are connected to is not configured properly or overloaded (this applies mainly to public hotspot shared networks). All you need to do is to connect to another network, hit the refresh button and the issue should be fixed.