When you open a web browser (such as Google Chrome) and launch a Web site, the first thing to do is to contact a DNS server. DNS stands for Domain Name Server. This server resolves the name of the website (such as apple.com) to an IP address. Sometimes this DNS lookup fails and the browser can not find the server where the requested website is located. In this case, Google Chrome generates an error that reads as follows: “Error 105 (net :: ERR_NAME_NOT_RESOLVED): The server was not found”. In this article, we will explain how to correct this error. Once the error is removed, you will be able to surf the Internet.

You must follow a few steps to resolve the error ERR_NAME_NOT_RESOLVED.

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Solution 1: Clear Cookies and Cache

Removing the cache and cookies should be a good way to fix many errors. This is one of the first things to do. Corrupted files can generate an Err_name_not_resolved error on your system, so this solution can fix the problem. Follow these steps:

1. Open the Chrome web browser, type the command URL in the address bar – “chrome: // settings / clearBrowserData” and press Enter.
2. Make sure the options for removing cookies and cache are checked. You do not have to delete the login information. Click on the “Clear data” button.
3. Wait a few minutes and restart your browser. Verify that the problem has been resolved.

Solution 2: Flush DNS Cache

This is another common way to eliminate Chrome related issues, including the error err_name_not_resolved. It is easy to do by following the steps below:

1. Press “Win + X” to open an experienced user or a quick access menu.
2. Select the “Command Prompt (Admin)” option to ensure that you have administrator privileges to execute commands.
3. Type these commands one by one and press Enter after typing each one:

• ipconfig / flushdns> Input.
• ipconfig / renew> Entry.
• ipconfig / registerdns> Entry.

4. If successful, your old DNS cache will be erased and your IP address renewed. Restart your web browser and check if the problem has been resolved.

Solution 3: Restart Router

If you have not turned off your router for months, it may accumulate many problems. Restarting your router is a good way to start over. Follow these steps:

1. Do not press the power button, unplug your router to turn it off completely.
2. Turn off your computer.
3. Wait a few minutes and turn on your router and your computer.
4. Open your Chrome browser and verify that the problem has been resolved.

Solution 4: Check Firewall Settings

Check if your firewall settings are too restrictive. If so, it is likely that your web browsers will be blocked and will not be able to access many websites, which will cause err_name_not_resolved error. A simple way to do this is to disable your firewall and check if the problem has been resolved. Depending on the software or hardware of your firewall, it may be necessary to lower the security level.

Also be sure to include Google Chrome in the list of allowed applications of Windows 10 Defender.

Solution 5: Disable Multiple Internet Connections

Check if you have multiple Internet connections running. Try to disable unnecessary connections and leave your main connection active. Sometimes this will solve the problem.

Solution 6: Disable Web or Ad Filtering Software

Disable the Web filtering software, if you have one. If it is confirmed that the software is causing the err_name_not_resolved error, modify its settings to make it less restrictive. If you can not, you may need to uninstall it and find an alternative.