How To Fix ‘Server Not Found’ Error Message On Firefox

Recently few Firefox users have reported that they are getting ‘Server Not Found’ message while accessing websites. Since the error message restricts users from accessing their favorite website, this can completely ruin the web browsing experience. So, in this article, we have decided to share some of the best methods to fix ‘Server Not Found’ error in Firefox.

Well, if we look around, we will find that Google Chrome is right now the most used and popular web browser, and if any browser that comes close to Chrome is the Mozilla Firefox. Although there are plenty of other web browsers available for Windows operating system, they were unable to stand up to the expectations of users.

Google Chrome and Mozilla Firefox is the only web browser that offers users features along with better speed and controls. However, just like every other browser, Firefox & Chrome also have some bugs. Recently lots of users have messaged us on our Facebook page regarding a strange Firefox error which states ‘Server Not Found’

Users have reported that they are getting ‘Server Not Found’ message on Firefox browser while accessing websites. Since the error message restricts users from accessing their favorite website, this can completely ruin the web browsing experience. So, in this article, we have decided to share some of the best methods to fix ‘Server Not Found’ error in Firefox Browser.

But, before we share you the methods to fix Server Not Found error message on Firefox browser, let’s know why this error occurs. The error message usually occurs due to the incorrect entry of the website. It also appears if the DNS server of the visiting website is down or your system’s firewall or proxy settings are blocking the outgoing & incoming connection.

How To Fix ‘Server Not Found’ Error Message On Firefox

So, let’s explore how to fix ‘Server Not Found’ error message on Firefox web browser. This method will also help to fix most of the internet or proxy related problems.

#1 Check for Spelling Mistakes

As we have already mentioned above, the ‘Server Not Found’ error message mostly occurs due to incorrect entry of the website address. You can try typing the web address again and make sure to double check the spelling before pressing the Enter Button. If you have entered the web address correctly and still getting the ‘Server Not Found’ message, then move to the next methods.

#2 Check Your Browser & Internet Connection

The ‘Server Not Found’ error message can also occur if you are using an outdated web browser. So, if you are running an outdated version of Firefox browser, then make sure to update it. Also, check the internet connection before connecting to your favorite site. Check whether the internet is working or not. If it’s working then check whether you are getting the ‘Server Not Found’ error message while visiting other sites or not. If every other website is working fine, then there might be some problem from the server side. So, just wait for few minutes or hours before making another attempt.

#3 Check Your Antivirus & Firewall

Well, as we have already listed above, sometimes Antivirus programs and Firewall blocks the incoming and outgoing traffic which leads to the ‘Server Not Found’ error message on Firefox Browser. So, in this method, you need to check whether the internet security software or Firewall tool is blocking Firefox from connecting to the internet. If it blocking the connection, then make sure to whitelist the Firefox browser to fix Server not found error message.

#4 Disable DNS Prefetching In Firefox

For those who don’t know, DNS Prefetching is a unique technology which is used by Mozilla to render web pages much faster. Sometimes, this feature preloads the web pages and displays the old state of fetched web page leading to ‘Server not found’ error message. So, here’s how you can disable DNS Prefetching in Firefox browser.

Step 1. First of all, open Firefox browser and type in about:config and hit Enter.

Step 2. In the next step, hold down the CTRL key and select ‘New’. Next select, ‘Boolean’

Step 3. Now enter ‘network.dns.disablePrefetch’ under the Enter the Preference name window.

Step 4. Now you will be asked to set the value. There you need to select ‘True’ and then click on ‘Ok’

That’s it, you are done! This is how you can disable DNS Prefetching to solve the ‘Server Not Found’ error message.

#5 Disable IPv6

Some users have reported that they have fixed the ‘Server Not Found’ error message by disabling the IPv6 from Windows 10 computer. So, in this method, we are going to disable the IPv6 protocol to fix the ‘Server Not Found’ error message. Here’s how you can disable IPv6 to solve ‘Server Not Found’ error message.

Step 1. First of all, right click on the Windows icon and then select ‘Control Panel’

Step 2. Now on the Control Panel, select ‘Network and Internet’

Step 3. In the next step, click on ‘Network and Sharing Center’

Step 4. Now click on ‘Change Adapter Settings’

Step 5. Right click on the connected network adapter and select ‘Properties’

Step 6. Now under the ‘Networking’ tab find and disable ‘Internet Protocol Version 6 (TCP/IPv6) and click on ‘Ok’

That’s it, you are done! This is how you can disable IPv6 to fix ‘Server Not Found’ error message on Mozilla Firefox.

So, these are the 5 best methods to fix ‘Server Not Found’ error message on the Mozilla Firefox web browser. If you know any other method to fix the error, let us know in the comment box below.