How to Fix server not found error in Firefox

As you all are well aware of the term Mozilla Firefox. It is a web browser that is used to search for any websites. It is used by millions of users over the world. Its response to you recently as you search for any topic. It is a browser, so bugs and technical glitches are common things. One of the issues is the server not found error in Firefox. Many users report this issue. Read this full article to know the exact causes and solutions of its.

Solutions to fix server not found error in Firefox: –

Here are many easy and quick solutions to fix this issue. Follow the below steps carefully:

Ensure your web browser and internet connectivity: –

Whenever you get any issue regarding your web browser or sites then the first thing is to check your internet connectivity is strong enough as well as your web browser. Follow the below steps to fix server not found error in Firefox:

  • First of all, check if the same websites work on other web browsers, if not, then you have to check another website.
  • Make sure about your Firewall Settings as well as Internet security software.
  • If you are using any proxy, then you have to ensure that this proxy server is not connected with the internet connection.
  • If you are using Wi-Fi of the public, then make sure its bandwidth is not limited.
  • Also, ensure your router or modem is not far away with your system.
  • Try to switch your Wi-Fi with the cellular data or vice-versa.
  • Now, restart your Mozilla Firefox web browser and check if it works properly.

Check your antivirus program: –

It also possible that your antivirus software blocks the access of the Mozilla Firefox web browser that causes the server not found error in Firefox. Whenever you find it, then try to disable your antivirus program on a temporary basis or uninstall it. If your antivirus program is expired, then you have to renew it to fix the issue. You can also switch your current antivirus software program with another one for better performance.

Make sure about Firefox proxy settings: –

If you set the proxy on your Mozilla Firefox, and then there is a possibility that it clogs the access of internet connection and cause the server not found error in Firefox. Follow the below steps to fix this issue:

  • First of all, you have to select the Menu option from your Mozilla Firefox web browser and then select the Preferences
  • Now, you have to navigate into the Advanced
  • After that, you have to select the Network
  • Now, you have to navigate into the Connections section and select the Settings
  • If you don’t use any proxy server, then you have to select the No Proxy
  • In case you are connecting with a proxy server, then you have to check the Proxy Settings option with the other browsers Proxy Settings.
  • After completing this process, you have to tap on the OK option.
  • You can see that all the changes have been made automatically.

Disable DNS Pref-etching: –

DNS pref-etching technology is used by the Mozilla Firefox to make the work smooth. Sometimes, it causes the server not found error in Firefox. Follow the below steps to fix this issue:

  • First of all, you have to navigate into the Mozilla Firefox URL bar and then type auto:configure.
  • Now, you have to tap on the Return
  • After that, a pop-up windows will be open which is related to a warning message that says This might void your warranty! Ignore the message and then you have to tap on the I accept the risk
  • While you are checking for the list of preferences then you have to press and hold the Ctrl key and then select the New option by following the Boolean.
  • Now, you have to navigate into the Enter the preferences name window section and select the dns.disablePrefetch option.
  • After that, tap on the OK
  • When you get prompt that ask to set the value and then select the True
  • Again, tap on the OK
  • Now, restart your Mozilla Firefox web browser and check if it works properly.

Turn off Internet Protocol (IPv6): –

As you see that, the Mozilla Firefox web browser switches on the Internet Protocol (IPv6) by default. It can also cause the several issue like server not found error in Firefox. Go with the below steps to fix this issue:

  • First of all, you have to navigate into the Mozilla Firefox URL bar and then type about:config.
  • Now, you have to tap on the Return
  • After that, a pop-up windows will be open which is related to warning that says This might void your warranty! Ignore the message and then you have to tap on the I accept the risk
  • Now, you have to go into the search section and type dns.disableIPv6.
  • From the available you have to tap on the dns.disableIPv6 option.
  • Now, you have to change its value from false to true.
  • So, restart your Mozilla Firefox web browser and check if it works properly.

Restart your modem or router: –

If the above doesn’t work to fix the server not found error in Firefox, then you have to try this method to fix the issue. Follow the below steps:

  • First of all, you have to press the power button on your modem or modem to turn it off.
  • Now, you have to wait for a few seconds.
  • Again, press the power button to turn on your router or modem.
  • Now, you have to wait until your device boots.
  • So, open your Mozilla Firefox and check if the issue has been resolved successfully.

In this blog, we have discussed to fix the server not found error in Firefox. I hope, it is helpful to you. If you have any doubts regarding this, then call to our expert’s team to resolve them. You can also send a text message or an email regarding your queries to fix them. We are here for 24*7.

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How to Fix server not found error in Firefox
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