What does “This site can’t be reached” error mean? 6 simplest ways to fix it

The error "This site can't be reached" is quite common for users of the Google Chrome browser. This issue occurs due to internet connection problems, server errors, or DNS issues with the website you are trying to access. Users can easily fix this error using some of the methods mentioned below.


Google Chrome users have likely encountered the “This site can’t be reached” error while browsing the web on their computers. This issue prevents you from accessing the website, affecting your studies, work, or entertainment experiences.

Let’s quickly explore the “This site can’t be reached” error and some simple ways to fix it at home in the following article by FPT Shop.

What is the “This site can’t be reached” error? Causes of the error

The “This site can’t be reached” or “Unable to access this website” error is quite common when using the Chrome browser on a computer. When encountering this error, users cannot continue to connect to the internet in the Chrome browser or access the current website.

Some possible causes of the “This site can’t be reached” error include:

  • Internet connection issue: The computer loses Wi-Fi connection, the Wi-Fi configuration has problems, or an unstable network is being used.
  • Website-related issues: The DNS of the website you are trying to access is corrupted, the DNS cache is not synchronized, causing the browser to not determine the IP address of the website. Additionally, the IP address or server of the website is not functioning, resulting in the “This site can’t be reached” error.
  • Firewall or Antivirus settings: Your computer has the Firewall or virus protection program enabled. This prevents you from accessing some unsafe websites, resulting in the “This site can’t be reached” message.
  • Incorrect Proxy settings: The browser cannot access the website due to incorrect Proxy settings.

Simple guide on how to fix the “This site can’t be reached” error

Once you have accurately identified the cause, you can easily resolve this error and continue accessing the desired website. Refer to and follow these 6 methods.

Method 1: Clear cache in Google Chrome

Sometimes, the browser saves old cache, causing the “This site can’t be reached” error and preventing you from accessing the website. Try clearing the cache (buffer) of the browser to fix the error.

Click on the three-dot icon in the top right corner of the browser interface, select More tools > Clear browsing data.

Method 2: Reset Chrome to default settings

To reset the default settings on the Google Chrome browser, follow these steps.

Step 1: Launch the Chrome browser.

Step 2: Enter “chrome://flags/” in the address bar and press Enter.

Step 3: When the new window appears, click on the Reset all to default option to restore the Google Chrome browser to its original state. Finally, restart your computer to apply the changes.

Method 3: Uninstall and reinstall Google Chrome

If resetting to default settings doesn’t fix the “This site can’t be reached” error, try completely uninstalling and reinstalling the browser.

Step 1: Open the Control Panel and select Uninstall a program. Uninstall the browser from your computer by right-clicking on the Google Chrome icon > Uninstall.

Step 2: Access the C:\Users\your_name\AppData\Local\Google\ folder and delete all related data. Note that your_name is your computer’s username.

Step 3: Download the latest version of Google Chrome and reinstall it. After the installation is complete, restart your computer and check if you can access the website normally.

Method 4: Run network troubleshooting

You can run network troubleshooting to fix the “This site can’t be reached” error caused by internet connectivity issues as follows:

Step 1: Press the Windows Key + R combination to open the Run window. Then enter the command “ncpa.cpl” and press Enter.

Step 2: Right-click on your computer’s network connection and select Diagnose to identify the internet-related issues.

Step 3: After running network troubleshooting, the screen will display an error message if any issues are detected. Continue selecting Try these repairs as an administrator to fix the errors. Finally, restart your computer to apply the changes.

Method 5: Change DNS address

Step 1: Right-click on the network icon in the Taskbar and click on Open Network and Sharing Center > Network and Sharing Center. Then select the network your computer is using.

Step 2: Choose Properties and double-click on Internet Protocol Version 4 (TCP/IPv4).

Step 3: Enter the new DNS address in the Use the following DNS server Address section as follows:

Step 4: Finally, click OK > OK > Close to complete the change process.

Method 6: Reset TCP/IP and Flush DNS

If you are unable to fix the “This site can’t be reached” error with the above methods, try resetting TCP/IP and flushing DNS as follows:

Step 1: Type “CMD” in the search bar and right-click to select Run as administrator to run Command Prompt with admin rights.

Step 2: Execute the following commands one by one:

ipconfig /release

ipconfig /all

ipconfig /flushdns

ipconfig /renew

netsh int ip set dns

netsh winsock reset

Step 3: Restart your computer and check the website access status.


Above is a detailed 6-step guide on how to fix the “This site can’t be reached” error on the Google Chrome browser that you can apply.

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Frequently asked questions

This error message indicates that your web browser is unable to connect to the website you’re trying to access. It could be due to a problem with your internet connection, the website’s server, or your device’s network settings.

There are several potential reasons, including DNS issues, server problems, network connectivity issues, or incorrect website settings.

Try these simple solutions: check your internet connection, flush your DNS, reset your network settings, check the website URL for errors, disable VPN or proxy, or contact the website administrator if the issue persists.

Flushing your DNS resolver cache helps remove any outdated or incorrect IP addresses associated with domain names, ensuring your computer retrieves the most current IP address information from the DNS server.

Yes, you can also try using a different web browser, updating your network drivers, or checking your antivirus settings. If the issue is specific to a particular website, you can try accessing it using a different device or network.

If the error continues to occur, it may indicate a more serious issue with the website’s server or your internet service provider. Contacting the website administrator or your ISP’s customer support can help identify and resolve the problem.