In the world of web browsing and internet connectivity, encountering errors is a shared experience. One such error that many users face is the “ERR_ADDRESS_UNREACHABLE” error. This error can be frustrating, especially when you’re trying to access a particular website or service and are met with this message. In this article, we will delve deep into what the ERR_ADDRESS_UNREACHABLE error means, the various reasons behind it, and how you can troubleshoot and fix this error.


The ERR_ADDRESS_UNREACHABLE error typically occurs when a browser is unable to reach the address specified in the URL. This error is a network-related issue that indicates a failure to establish a connection to the target address. The message can be displayed in various browsers, such as Google Chrome, Mozilla Firefox, Microsoft Edge, etc., and it usually points to problems with the network configuration or the server’s availability.

Common Reasons Behind the ERR_ADDRESS_UNREACHABLE Error

There are several reasons why you might encounter the ERR_ADDRESS_UNREACHABLE error. Understanding these reasons can help diagnose and fix the problem efficiently.

1. Network Configuration Issues

Network configuration issues are one of the most common reasons for this error. These issues can arise from:

  • Incorrect IP address settings
  • Misconfigured DNS settings
  • Router or modem problems
  • Conflicts with network adapters

2. Server-Side Problems

Sometimes, the problem might not be on your end but on the server side. This can include:

  • The server is down or unreachable
  • The server is having network configuration issues
  • Firewall or security settings on the server blocking access

3. Browser-Related Issues

Issues specific to the web browser can also lead to this error. These include:

  • Corrupted browser cache or cookies
  • Browser extensions or add-ons causing conflicts
  • Outdated browser version

4. Firewall and Security Software

Firewalls and security software on your device or network can sometimes block access to certain addresses, resulting in the ERR_ADDRESS_UNREACHABLE error. This could be due to:

  • Overly strict security settings
  • Misconfigured firewall rules
  • Antivirus or antimalware software interference

5. Proxy and VPN Issues

Using a proxy server or a VPN can sometimes interfere with your connection, leading to this error. Problems can arise from:

  • Incorrect proxy settings
  • VPN server issues
  • Conflicts between VPN and local network settings

6. ISP-Related Issues

Issues with your Internet Service Provider (ISP) can also cause this error. These might include:

  • ISP network outages or maintenance
  • ISP-specific blocks or restrictions
  • Dynamic IP address changes


Now that we understand the potential causes let’s explore the various methods to fix the ERR_ADDRESS_UNREACHABLE error. Here are step-by-step solutions for troubleshooting and resolving this issue.

1. Check Your Network Connection

The first step is to ensure that your network connection is working correctly. Here’s what you can do:

  • Restart Your Router and Modem: Sometimes, a simple restart of your router and modem can resolve connectivity issues.
  • Check Network Cables: Ensure that all network cables are securely connected.
  • Switch Networks: If you are on a Wi-Fi connection, try switching to a wired connection or vice versa.

2. Verify IP and DNS Settings

Incorrect IP and DNS settings can lead to this error. Here’s how to check and configure these settings:

  • Renew IP Address:
    • On Windows: Open Command Prompt and run ipconfig /release followed by ipconfig /renew.
    • On macOS: Open Terminal and run sudo ifconfig en0 down followed by sudo ifconfig en0 up.
  • Change DNS Server:
    • Use public DNS servers like Google DNS ( and or Cloudflare DNS (

3. Clear Browser Cache and Cookies

A corrupted browser cache or cookies can interfere with your browsing experience. Here’s how to clear them:

  • Google Chrome:
    • Go to Settings > Privacy and security > Clear browsing data.
    • Select Cookies and other site data and Cached images and files, then click Clear data.
  • Mozilla Firefox:
    • Go to Options > Privacy & Security > Cookies and Site Data > Clear Data.
    • Check Cookies and Site Data and Cached Web Content, then click Clear.

4. Disable Browser Extensions

Some browser extensions can cause conflicts, leading to the ERR_ADDRESS_UNREACHABLE error. Try disabling extensions to see if the issue is resolved:

  • Google Chrome:
    • Go to Settings > Extensions.
    • Toggle off all extensions and then re-enable them one by one to identify the culprit.
  • Mozilla Firefox:
    • Go to Add-ons > Extensions.
    • Disable all extensions and re-enable them one by one.

5. Update Your Browser

Using an outdated browser version can cause various issues, including the ERR_ADDRESS_UNREACHABLE error. Make sure your browser is up to date:

  • Google Chrome:
    • Go to Settings > About Chrome.
    • Chrome will check for updates and install them automatically.
  • Mozilla Firefox:
    • Go to Options > General > Firefox Updates.
    • Click Check for updates and install any available updates.

6. Temporarily Disable Firewall and Security Software

Firewalls and security software can sometimes block legitimate connections. Temporarily disable these to see if the error is resolved:

  • Windows Firewall:
    • Go to Control Panel > System and Security > Windows Defender Firewall.
    • Click Turn Windows Defender Firewall on or off and turn it off for both private and public networks.
  • Antivirus Software:
    • Open your antivirus software and find the option to disable protection temporarily.

7. Check Proxy and VPN Settings

Incorrect proxy or VPN settings can interfere with your connection. Here’s how to check and disable these settings:

  • Disable Proxy Settings:
    • On Windows: Go to Settings > Network & Internet > Proxy and ensure all proxy options are turned off.
    • On macOS: Go to System Preferences > Network > Advanced > Proxies and ensure all proxy options are unchecked.
  • Disable VPN:
    • Open your VPN software and disconnect or disable the VPN connection.

8. Contact Your ISP

If none of the above solutions work, the issue might be with your ISP. Contact your ISP to check if any outages or restrictions are affecting your connection.

9. Check the Server Status

If the issue persists for a particular website, the problem might be with the server itself. Here’s how to check the server status:

  • Use Online Tools: Websites like DownDetector or IsItDownRightNow can help you check if a website is down for everyone or just you.
  • Contact the Website Administrator: If you have contact information, reach out to the website administrator to inquire about server issues.

10. Reset Network Settings

As a last resort, resetting your network settings can resolve complex configuration issues. Here’s how to do it:

  • On Windows:
    • Go to Settings > Network & Internet > Status.
    • Scroll down and click. Network reset.
  • On macOS:
    • Open the Terminal and run sudo networksetup -setnetworkserviceenabled Wi-Fi off followed by sudo networksetup -setnetworkserviceenabled Wi-Fi on.


The ERR_ADDRESS_UNREACHABLE error can be frustrating, but with a systematic approach, it can be resolved. By understanding the various causes—ranging from network configuration issues to server-side problems—and applying the appropriate fixes, you can get back to browsing the internet smoothly. Whether it’s checking your network connection, updating your browser, or contacting your ISP, there are multiple steps you can take to troubleshoot and fix this error.

Remember, patience and methodical troubleshooting are key. Start with the most straightforward solutions and work your way up to more advanced fixes. With these tips, you’ll be well-equipped to handle the ERR_ADDRESS_UNREACHABLE error and ensure a seamless browsing experience.

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