10 Ways to Fix err_name_not_resolved Error in Windows 10/11

You have just encountered the err_name_not_resolved Windows 10 and 11 problem. Here is all you need to know.

We access the Internet daily, but sometimes problems with the network connection can occur.

One such problem that Windows 10 and 11 users reported is Err_name_not_resolved error in Google Chrome. The problem might be with the Wi-Fi or DNS connection, as well as with the router.

A variant of the error is This site cannot be reached err_name_not_resolved, and the issue has also been reported in Internet Explorer.

In any of the mentioned situations, try one of the troubleshooting steps listed in this guide.

Why do I keep getting Err_name_not_resolved?

It is advisable to start by refreshing the DNS cache on your OS since this is one of the most frequent reasons for the err_name_not_resolved problem. Depending on the OS, the DNS flush technique varies.

An old or outdated browser may also trigger the browser. Additionally, users have also pointed out that old browser data may contribute to this error.

Typically the error resolves around your network connections and server settings, and it may come in any of the following variants:

• Err_name_not_resolved in Chrome for Windows 10 users
• Your err_name_not_resolved while using Opera
• Err_name_not_resolved VPN issue
• The err_name_not_resolved in Windows 10 while using Edge
• Err_name_not_resolved localhost

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How do you fix err_name_not_resolved in Windows 10?

1. Flush the DNS

1. Right-click on the Start menu and select Windows terminal (Admin) or Command Prompt (Admin) on windows 10.
   
2. When Command Prompt opens, enter the commands below and hit Enter after each one.
   ipconfig /flushdns
ipconfig /renew
ipconfig /registerdns
3. Restart the browser and verify that the error has disappeared.

Few users reported that this issue could affect other browsers such as Internet Explorer or Microsoft Edge, and you should be able to fix this problem by typing the following in Command Prompt and pressing Enter:

netsh winsock reset

2. Change your DNS

1. Click the Start menu, type control panel, and select Network and Sharing Center.
   
2. From the left pane, click Change adapter settings.
   
3. Locate and right-click your network, then click Properties.
   
4. Click on Internet Protocol Version 4 (TCP/IPv4) and click the Properties button.
   
5. Select Use the following DNS server addresses and set the Preferred DNS server to 8.8.8.8 and the Alternate DNS server to 8.8.4.4. Click OK to save the changes.
   

After making these changes, check if Err_name_not_resolved error is still there.

4. Disable DNS Prefetching in Chrome

1. Press the Menu button in the top right corner and choose Settings.
   
   
2. When the Settings window opens, scroll down to the bottom of the screen and click Advanced.
   
3. Scroll to the Privacy section and uncheck Use a prediction service to load pages more quickly.
   
4. After you uncheck this option, restart Chrome.

5. Flush Chrome’s DNS cache

1. Open a new tab in Chrome, enter the path below, and then hit Enter.
   chrome://net-internals/#dns
2. Now click the Clear host cache button.
   
3. Finally, restart the browser.

6. Update your drivers

1. Right-click on the Start menu and select Device manager.
   
2. Right-click on your network adapter and click Update driver.
   
3. Select Search automatically for drivers.
   

This issue can sometimes occur if your network adapter driver is outdated; therefore, we recommend that you update it.

To do so, you can use the CD that you got with your device, or you can download the necessary drivers from your network adapter manufacturer’s website.

If you can’t access the Internet on your PC, you’ll have to use a different device to download the necessary drivers.

We recommend using a third-party tool driver updater to download all the outdated drivers on your PC automatically.

7. Install the latest updates

1. Click the Menu icon in the top-right corner.
2. Choose Help, then click About Google Chrome from the menu.
   
3. Chrome will now check for available updates in a new tab. If any updates are available, they will be downloaded and installed automatically in the background.
   

Once the updates are installed, restart Chrome and check if the Err_name_not_resolved message is still there.

8. Disable all extensions

1. Launch the browser.
2. Click the Menu icon in the top-right corner and go to More tools, then Extensions.
   
3. Locate the extension you want to disable and click the little switch icon next to it. Repeat this step for all available extensions.
   
4. Once you disable all extensions, restart Chrome.

When Chrome starts, check if the problem is still there; if not, an extension was certainly causing this issue.

To fix the issue, enable all disabled extensions one by one until the problem starts appearing again. Once you find the problematic application, remove it, and the issue will be permanently resolved.

Read more about this topic

• Present Like a Pro With the Slides Timer Chrome Extension
• Solved: Chrome Remote Desktop Keeps Asking for Authorization
• Chrome Remote Desktop Showing Green Screen? How to Fix it
• Enable Curtain Mode in Chrome Remote Desktop [How to]

9. Restart your router

The issue might be your router if you’re getting an Err_name_not_resolved error in Chrome. Temporary network glitches can occur; to fix them, you’ll need to restart your modem/router.

To do that, press the Power button on your router and wait for 30 seconds. Then press the Power button again, and wait until your router boots completely. Once your router boots, check if the issue is still there.

10. Reset Chrome

1. Launch your browser.
2. On the Address bar, paste the link below and hit Enter.
   chrome://settings/reset
3. Click the Restore settings to their original defaults on the right pane.
   
4. Click the Reset settings button to confirm.
   

After Chrome resets, check if the problem is still there.

What can I do when getting Err name not resolved in Windows 11?

You should note that the reasons for this error on Windows 10 and 11 are the same. Also, the solutions discussed in this article will work regardless of the Windows version.

However, depending on your version, there may be slight UI changes. Still, typically, once you can resolve it in one windows OS, you should be able to apply the exact solutions across other editions.

The Windows 10 and 11 err_name_not_resolved error can prevent you from accessing the Internet, and if you have this problem in Google Chrome, we advise you to, in turn, try all solutions from this article.

You may also want to reinstall your browser only as a last resort because you may lose important data if it is not adequately backed up.

We’d like to know which one worked for you, so feel free to contact us using the comments section.