As a frequent user of the internet, you may have come across the frustrating “err_connection_closed” error message on your web browser. This error can occur on any web browser and can be caused by several factors. In this article, we will discuss what “err_connection_closed” means, its causes, and how to fix it.

What is “err_connection_closed”?

“err_connection_closed” is an error message that appears on your web browser when the connection to a website is interrupted unexpectedly. When this error occurs, the website you are trying to access will not load, and you will receive a message indicating that the connection was closed.

Common Causes of “err_connection_closed”

There are several reasons why you may encounter the “err_connection_closed” error on your web browser. Some of the common causes include:

1. Internet Connection Issues

One of the most common causes of “err_connection_closed” is internet connection issues. If your internet connection is unstable, slow, or interrupted, you may experience this error when trying to access a website.

2. Firewall or Antivirus Settings

Another cause of “err_connection_closed” is incorrect firewall or antivirus settings. Sometimes, the security settings on your computer may prevent your browser from establishing a connection with the website, resulting in the error message.

3. Browser Cache and Cookies

The accumulation of cache and cookies in your browser can also lead to the “err_connection_closed” error. When your browser cache and cookies are full, it may not be able to establish a connection with the website, resulting in the error.

4. DNS Issues

Domain Name System (DNS) is a system that translates domain names into IP addresses. If your DNS is not functioning correctly, your browser may not be able to establish a connection with the website, resulting in the error.

How to Fix “err_connection_closed” Error

Now that we know the common causes of “err_connection_closed,” let’s discuss how to fix it. Here are some solutions you can try:

1. Check Your Internet Connection

The first thing you should do when you encounter the “err_connection_closed” error is to check your internet connection. Ensure that your Wi-Fi or Ethernet connection is stable and functioning correctly.

2. Disable Firewall or Antivirus Software

If the error is caused by incorrect firewall or antivirus settings, try disabling them temporarily to see if that resolves the issue. You can also whitelist the website you are trying to access on your security software.

3. Clear Your Browser Cache and Cookies

Clearing your browser cache and cookies can also help resolve the “err_connection_closed” error. Go to your browser settings and clear the cache and cookies. After that, restart your browser and try accessing the website again.

4. Flush DNS Cache

If the DNS is the cause of the error, you can try flushing the DNS cache. To do this, open the command prompt and type “ipconfig/flushdns.” After that, restart your computer and try accessing the website again.

5. Reset Your Browser Settings

If none of the above solutions works, you can try resetting your browser settings to default. This will erase all your customizations and settings, but it can help resolve the “err_connection_closed” error.


The “err_connection_closed” error is a common error that can be frustrating for web users. However, by understanding its causes and applying the appropriate solutions, you can easily fix the error and continue browsing without interruptions.

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