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

The current DNS (read more about what DNS is here) settings may be responsible for the ERR_ADDRESS_UNREACHABLE error. Initially, DNS should be handled by the ISP you are subscribed to, however, you have the possibility to change them by yourself.

The most reliable DNS server is the one of Google, which you can easily switch to, i.e. you need to enter the following values in your DNS settings:

8.8.8.8
8.8.4.4

Feel free to consult the don't know how to change the DNS settings guide, where you can check and change your current DNS settings.

Maybe your router or modem, or both got "stuck" and as a result, the ERR_ADDRESS_UNREACHABLE error appeared. Try restarting the router (modem) and check if it will do the trick.

There are times when a single restart is all you need to do, in order to fix "the this site can't be reached" error. If it didn't work, check the other solutions.

Flushing (clearing) the DNS cache removes all the entries, deletes invalid records and forces your device to repopulate those addresses the next time you access a particular website, If is possible that your device saved some corrupted DNS settings, resulting in the ERR_ADDRESS_UNREACHABLE error code. In order to fix it, you need to flush the DNS.

If you are not sure how to flush the DNS, feel free to consult the don't know how to flush the DNS guide.

By turning on and off the airplane mode, you are restarting your device's Wi-Fi and mobile-data componets and restarting the components may be all you need to do, to fix the issue.

Believe it or not, sometimes the website you are trying to visit may be responsible for the ERR_ADDRESS_UNREACHABLE error message, or, simply, the website is geo-restricted (can be accessed from certain locations only (e.g. only from the USA, Russia, China, etc.).

What you need to do is to contact the website owner or support team, however, before you do that, you need to verify that it's really you who cannot access the website. You can do that by:

1. Trying to access other websites (e.g. Facebook, Google, Yahoo, etc.);
2. Test if the website is online with tools like https://downforeveryoneorjustme.com/

If you verified that the website is not accessible, either to all users or to you only, contact the owner or support team and share all the details of your research.

Maybe the current firewall and antivirus settings are causing this issue. As a test, try disabling them and check if you still get the error message. If you don't get it, it's time to access the firewall and the antivirus and see how they are configured.

To disable the Windows Firewall:

To enable the Windows Firewall:

Maybe the ISP/Operator is the one who has issues, not you. Try to contact them, let them know about the issue and they will do everything in their power to help you fix it.

Maybe your internet connection is the one who stops you from accessing a certain website and is responsible for the ERR_ADDRESS_UNREACHABLE error message. Try to connect to another Wi-Fi connection, or use mobile data instead. If this error no longer appears, there was something wrong your ISP (Internet Service Provider) and feel free to contact them.

If this problem became frequent after you installed an extension, it's possible that an extension itself is the reason for it. Try disabling the extension first. If it didn't work, remove the extension.

Check out the don't know how to enable/disable browser extensions guide, to learn how to disable them, or don't know how to remove browser extensions if you want to learn how to remove them.