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

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 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 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.

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 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.