If the Google chrome browser on your computer is coming up with “ERR_NAME_NOT_RESOLVED” error message, it simply means that it was unable to find the IP Address of the website that you are trying to access.
In many cases, the reason for this error is due to DNS Server of your Internet Service Provider being temporarily unavailable, being over-crowded or going through problems
This problem can also occur due to Router Errors, change in Network Settings, outdated or corrupted Browser Cache and many other reasons.
“Err Name Not Resolved” Error in Google Chrome
If you are dealing with “ERR_NAME_NOT_RESOLVED” Error in Google Chrome browser, you should be able to fix the problem using the following troubleshooting steps.
1. Power Cycle the Router/Modem
In many cases, this problem can be fixed by power cycling the Modem/Router unit.
1. Unplug the Router/Modem from its power supply source.
2. Wait for 60 seconds and connect the Router/Modem back to its power supply source.
Wait for all the lights on the Modem/Router unit to light up and see if you can now connect to internet.
2. Clear Browser Cache & History
The problem might be related to corrupted browser cache or cached error pages being displayed by the browser.
1. Open Google Chrome > click on 3-dots menu icon > select Delete Browsing Data option in the drop-down menu.
2. On the next screen, switch to Advanced tab > select All Time as the Time Range > make sure All Items are selected and click on Clear Data button.
After clearing Cache and browsing history, try to access the same webpage again and see if you are still getting this error.
3. Flush DNS & Reset Winsock
Most DNS related issues on a Windows computer can be fixed by flushing the DNS Cache and resetting the Winsock.
1. Type CMD in the Search bar > right-click on Command Prompt and click on Run as administrator option.
2. On the Command prompt screen, type ipconfig /flushdns and press the Enter key on the keyboard of your computer.
Next, type the following commands one-by-one and press the Enter Key after each command.
- netsh winsock reset
- netsh int ip reset
- ipconfig /release
- ipconfig /renew
- ipconfig /registerdns
Once above Commands are executed, close the Command Prompt window and Restart the computer.
4. Disable Webpage Preloading
While the “Preload pages” option in Chrome can make the browser run faster, it is also known to cause problems.
1. Open Google Chrome > click on 3 dots icon and select Settings in the drop-down menu.
2. On the Settings screen, select the Performance tab in the left-pane. In the right-pane, scroll down and disable Preload Pages option.
5. Temporarily Disable Antivirus Software
Sometimes, the problem is due to websites being blocked by Norton or any other third-party antivirus program installed on your computer.
You can confirm this by temporarily disabling the antivirus program installed on your computer and then visiting the website the you were unable to access.
6. Switch DNS Servers
If your computer is frequently coming up with “Err Name Not Resolved” error, you can consider switching to free public DNS Services as provided by Google, Amazon, OpenDNS and other providers.
You can find the steps to switch to Google DNS in this guide: How to Switch to Google DNS On Windows and Mac
7. Check Malware
The problem could also be due to DNS configuration on the computer being modified by viruses or malware.
You can check your computer for malware by using Windows Defender Offline Scan and also by using Windows Malicious Software Removal Tool as available on Microsoft’s download site.