err network changed: connection was interrupted [Full Fix]

by Milan Stanojevic
Milan Stanojevic
Milan Stanojevic
Windows & Software Expert
Milan has been enthusiastic about PCs ever since his childhood days, and this led him to take interest in all PC-related technologies. Before joining WindowsReport, he worked as... read more
Affiliate Disclosure
  • Network change detected error can be problematic since it will prevent you from accessing any website in your browser.
  • One way to fix this issue is to switch to a different browser and check if the problem is still there.
  • In some instances, removing your VPN can help. Alternatively, you can reinstall Google Chrome and check if that helps.
  • If you’re getting err_network_changed on Windows 10, perhaps you should adjust your DNS and IPv6 settings to fix it.
network change was detected error
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Everybody experiences a computer problem once in a while, and one problem that Windows 10 users reported is A network change was detected or ERR_NETWORK_CHANGED in Google Chrome.

Occasionally, the displayed message also says A network change was detected. Error 21.

This error message will prevent you from accessing the Internet, therefore it’s crucial to know how to properly fix it.

How do I fix A network change was detected error?

1. Try accessing an alternative browser

If the connection error persists with Chrome, try accessing another browser. Oftentimes, the problem is not your PC or your network, but the browser itself.

We recommend a lighter browser such as Opera since it requires fewer resources and it loads considerably faster.

As opposed to Chrome, Opera has integration with a lot of tools and apps.

This is why the browser comes fully equipped with most productivity tools one could wish for, from news feed and workspaces to messengers and battery savers. Plus VPN and ad blocker.

You just have to activate each of them or pin particular icons to the sidebars for easy access. This guarantees a faster response time and almost zero errors.

Opera is a great browser, and if you’re getting Your connection was interrupted error, switch to Opera and check if the error is still there.


Try Opera today and enjoy an error-free Internet experience with the built-in features this browser has to offer

2. Remove or reinstall your VPN software

VPN software is great if you want to protect your privacy online, but VPN software can cause err_network_changed error to appear on Windows 10.

Instead of disabling or removing the VPN, as it’s sometimes suggested, we’d rather recommend using a VPN solution that does not interfere with other processes or programs.

It has thousands of servers all over the world, and it grants unlimited bandwidth. More so, it grants P2P support and Wi-Fi security for added protection.

Set up is instant and further use is similarly intuitive. So if you want reliable protection for your identity while surfing the Internet, try this tool.

3. Check your PC for malware

If you’re getting A network change was detected error, the problem might be related to a malware infection. To fix the issue, you need to perform a full system scan.

There are many great antivirus tools that can help you with that, but if you’re looking for a reliable antivirus that you should consider it. Many of them offer great protection and it should fix your problem.

These tools can run deep system scans and will find all the vulnerabilities that affect your system, including malware, outdated programs, weak passwords, duplicated files, and more.

They will also look thoroughly at each problem they find, and take the necessary actions.

Therefore, any PC user should take into consideration dedicated antivirus software for browsing and defending the system from the most advanced online malware.

4. Reinstall Google Chrome

Another solution to go around the network change error is to simply reinstall Google Chrome. (As mentioned before, the issue appears mainly in this browser.)

There are several ways to remove Chrome, but the best one is to use uninstaller software.

If you’re not familiar, uninstaller software can remove any application from your PC, along with any leftover files and registry entries associated with that application.

By using one of these tools, you’ll ensure that the application is completely removed from your PC.

If you’re looking for good uninstaller software, be sure to choose the product that fits your needs, install it, and you’ll uninstall Chome in no time.

5. Update all the drivers

  1. Press the Win Key + S.
  2. Search for Device Manager and open it.
  3. Select the device you want to update.
  4. Right-click on it, and select Update Driver.
  5. Repeat the steps for all the devices.

If this issue appears in other browsers as well, it might be that your network configuration is not correct or that your network adapter driver is outdated.

Update drivers automatically

We strongly recommend a third-party tool to scan for outdated drivers on your PC and then download the latest ones, if that is the case.

Although you could update the drivers yourself with a professional tool that will help you avoid permanent damage and file loss caused by downloading and installing the wrong driver version.

Get DriverFix

6. Restart your mode

One of the simplest solutions is to restart your modem and check if that fixes the Network change detected error on your laptop.

Sometimes your modem or computer configuration might not be correct, and that can prevent you from accessing the Internet.

To fix that simply press the power button on your modem to turn it off. Wait for 30 seconds and press the power button to turn it back on again. After turning on your modem check if the issue is resolved.

7. Flush the DNS settings

  1. Press Windows Key + X on your keyboard to open the Power User Menu.
  2. Select Command Prompt (Admin) from the list.
    Your connection was interrupted a network change was detected
  3. When Command Prompt opens enter
    ipconfig /flushdns
    A network change was detected error 21
  4. After you get the message that the DNS was flushed close Command Prompt and check if the problem is resolved.

8. Reset IP/TCP

  1. Open Command Prompt as administrator.
  2. When Command Prompt opens enter the following lines:
    netsh int ip set dns
    A network change was detected Windows 7
    netsh winsock reset
    A network change was detected virus
  3. Close Command Prompt and check if the issue is resolved.

By running these commands, you’ll reset the required components, and you’ll hopefully fix the Your connection was interrupted error.

9. Use Google’s Public DNS

  1. Press Windows Key + X and select Network Connections.
    A network change was detected err_network_changed
  2. Select Change adapter options.
    A network change was detected Windows 7
  3. When Network Connections window opens, locate your current connection, right-click it and choose Properties.
    A network change was detected virus
  4. Select Internet Protocol Version 4 (TCP/IPv4) and click the Properties button.
    Your connection was interrupted a network change was detected
  5. Select Use the following DNS server addresses option and enter the following values:
    • Preferred DNS server:
    • Alternate DNS server:
  6. Once you’re done, click OK to save changes.
  7. Check if the issue is resolved.

Use this solution if you think that the default DNS server is the one causing the A network change was detected issue.

10. Clear browsing data in Chrome

  1. Click the Menu icon in the top right corner and choose Settings.
    Your connection was interrupted a network change was detected
  2. Click Advanced.
    A network change was detected err_network_changed
  3. Go to Privacy section and click Clear browsing data button.
    A network change was detected Windows 7
  4. Set Time range to All time and check all options. Now click Clear data button.
    A network change was detected virus

11. Disable Energy Efficient Ethernet feature

  1. Open Device Manager.
  2. Locate your network adapter on the list and double-click it.
    A network change was detected Google Chrome
  3. Navigate to the Advanced tab and select Energy Efficient Ethernet.
  4. Now set it to Disabled and click OK to save changes.
    A network change was detected virus

After doing that, check if the problem is resolved. If you don’t have the Energy Efficient Ethernet option available, then this solution doesn’t apply to you and you can just skip it.

12. Disable prediction services in Chrome

  1. Open Google Chrome and navigate to the Settings page.
  2. Scroll all the way down and click on Advanced.
    A network change was detected virus
  3. Now you should see two Use a prediction service… options. Disable them both.
    Your connection was interrupted a network change was detected

Once you disable both these features, the Your network was interrupted error should be completely resolved. Keep in mind that by disabling these features certain websites might load a bit slower.

13. Use either Ethernet or Wi-Fi on a single device

According to users, A network change was detected error can appear if you’re using both Ethernet and Wi-Fi connections on your PC at the same time.

This can lead to other issues besides this one, and in order to fix the problem, it’s advised to use just Wi-Fi or Ethernet. Speaking of Ethernet, be wise, and choose the best adapters on the market!

Simply disable one network on your PC, and the problem should be completely resolved.

14. Don’t use Google’s IPv6 DNS

  1. Follow Steps 1-2 from Solution 9.
  2. Select Internet Protocol Version 6 (TCP /IPv6) and click Properties.
    A network change was detected error 21
  3. When Properties window opens, select Obtain DNS server address automatically and click OK to save changes.
    A network change was detected Windows 8

After making these changes, the issue should be resolved and you should be able to visit any website without problems.

A network change was detected error in Chrome will prevent you from accessing the Internet, and since this error can be caused by network configuration or by a bug in Google Chrome, sometimes it might not be easy to fix it.

Nevertheless, we hope that you managed to solve it using one of our solutions. If not, you might want to consider changing your browser, as suggested in the second solution.

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Frequently Asked Questions

  • You are likely to encounter this error message while using the Google Chrome browser. If such is the case, it manifests by tempering with your network connection, thus preventing you from accessing the Internet. You can find more information about the browser in our quick article dedicated to Google Chrome.

  • There are several possible reasons behind this error. Since it affects your network and it needs a quick solution, you might want to consider updating your drivers or scanning for malware, as explained in this handy guide.

  • This error can reappear occasionally, so we advise you to clear the cache on your Chrome browser or check our detailed article dedicated to DNS issues to use the Google’s Public DNS ( or

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