Error firefox not found

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The ‘Server not found‘ error is an intermittent issue that affects Firefox users. The majority of users report that they encounter the error with every page they attempt to load, but upon hitting Refresh, the page loads up just fine.

In most cases, this particular issue appears due to a Domain Name Server inconsistency and can be resolved by changing the default values with Google’s custom DNS. If that doesn’t work, you should start troubleshooting for a network inconsistency – either by power-cycling your router/modem or by doing a complete TCP / IP Reset.

However, it’s worth noticing that the issue can also be caused by a disabled instance of the DNS client service. Other potential causes include a VPN or Proxy interference or a connection interruption caused by an overprotective Firewall suite.

How to Fix the Server Not Found Error on Firefox?

Method 1: Changing DNS to Google’s Public DNS

As it turns out, the symptoms of this particular issue point towards an issue related to your default configured DNS (Domain Name System). ‘Server not found’ issues are most commonly caused by inconsistency with your DNS address.

Several affected users have confirmed that they were able to fix the issue after they opened the Network Connections window and change the Internet Protocol Version 4 to Google’s custom DNS server addresses.

Here’s a quick guide on changing the default Domain name System to Google’s custom address via the Network Connection window:

1. Open up a Run dialog box by pressing Windows key + R. Inside the text box, type ‘ncpa.cpl’ and press Enter to open up the Network Connections menu.
2. Once you’re inside the Network Connections menu, go ahead and select the connection that you want to configure using Google Public DNS. If you want to do it for your wireless network, right-click on Wi-Fi (Wireless Network Connection) and choose Properties from the context menu.
   Note: In case you plan on modifying an Ethernet (cabled) connection, right-click on Ethernet (Local Area Connection) instead.
3. After you finally manage to land inside the Wi-Fi or Ethernet Properties screen, go to the Networking tab and go for the settings box under This connection uses the following items. Next, select Internet Protocol Version 4 (TCP / IPv4) and click the Properties button.
4. Once you find yourself inside the Internet Protocol 4 (TCP / IPv4) Properties screen, then go to the General tab. Next, select the toggle associated with Use the following DNS server address and replace the Preferred DNS server and the Alternate DNS server with the following values:

   8.8.8.8
   8.8.4.4

5. Save the changes that you just operated at step 4, then repeat step 3 and 4 again with Internet Protocol Version 6 (TCP / IPv6), but this time, use the values to change the Preferred DNS server and Alternate DNS server.

   2001:4860:4860::8888
   2001:4860:4860::8844

6. As soon as you enforce this change, restart your network connection. After the connection is restarted, open your browser, load a page that was previously failing and see if the problem is fixed at the next system startup.

   In case the same issue is still occurring, move down to the next potential fix below.

Method 2: Power Cycle or Reset your router / router

As it turns out, this issue can also be facilitated by an inconsistency with your modem or router. Several affected users that encountered the very same issue have confirmed that the Server not found‘ error was resolved after they forced their network to refresh.

The ideal way to start is by performing a simple network restart – This procedure is a lot less intrusive and will not produce any other that will affect the current settings of your network configuration. In order to do a simple router or network reset, all you have to do is press the ON / OFF button once to turn the networking device off, then wait 20 seconds or more and press the button again to open it once again.

Note: To make sure the procedure completes successfully, you can also disconnect the power capable physically and wait for a minute or so in order to ensure that you completely drain the power capacitors.

If you already did this and it didn’t work, the next logical step would be to do a complete router/modem reset. But before you go through with this, keep in mind that this operation will also reset all custom credentials and custom network settings that you previously established. At the end of this operation, everything will be reset back to the default.

Note: With most router manufacturers, the login will be reverted back to admin for both the username and password.

If you are determined to perform a router or modem reset, simply press and hold on the back Reset button for about 10 seconds. Depending on your router/modem model, you will need a toothpick or a needle in order to access the Reset button on the back.

On bost most router modems, you’ll notice an LED intermittent flash, signalling that the operation is complete.

In case you already restarted your router or modem but there was no improvement, move down to the next potential fix below.

Method 3: Doing a complete TCP / IP Reset

If the first two methods didn’t allow you to resolve the issue, chances are the issue is related to a generic network inconsistency related to your TCP / IP configuration. We managed to identify several users’ reports that managed to get the ‘Server not found‘ Firefox error resolved after they recreated the internet connection from scratch via an elevated CMD prompt.

If you want to go this route, here’s a quick guide on doing a complete TCP / IP reset from an elevated Command Prompt Terminal:

1. Open up a Run dialog box by pressing Windows key + R. Inside the text box, type ‘cmd’ inside the newly appeared text box and press Ctrl + Shift + Enter to open up an elevated CMD window. Once you see the UAC (User Account Control) prompt, click Yes to grant admin access.
2. Once you manage to get inside the elevated CMD prompt, type the following commands (in the same order that we listed them in) and press Enter after each command:

   Type 'ipconfig /flushdns' and press Enter 
   Type 'netsh winsock reset' and press Enter. 
   Type 'netsh int ip reset' and press Enter. 
   Type 'ipconfig /release' and press Enter. 
   Type 'ipconfig /renew' and press Enter.

3. After you manage to run every command above, you will have effectively done a complete TCP / IP reset. As soon as you do this, proceed by closing the elevated CMD prompt and check if the issue is resolved at the next system startup.

After your computer boots back up, repeat the action that was previously triggering the ‘Server not found‘ error and see if the problem is resolved. In case the same problem is still intermittent, move down to the next potential fix below.

Method 4: Starting the DNS Client Service

In case you did some manual adjustments to the DNS Client service or you run a network optimization tool, it’s also possible that you’re encountering the ‘Server not found‘ error due to the fact that the service responsible for using the default Domain Name Systems is actually prevented from running.

If this scenario is applicable, you should be able to fix the issue by opening the services.msc utility, setting the status of DNS Client to Automatic and starting the service forcefully.

Here’s a quick guide on how to ensure that the DNS Client service is running and that its Startup Type is set to Automatic:

1. Press Windows key + R to open up a Run dialog box. Next, type ‘service.msc’ and press Enter to open up the Services screen. When you’re prompted by the UAC (User Account Controler), click Yes to grant admin access.
2. Once you’re inside Services screen, move down to the right-hand section and scroll down through the list of local services until you locate the DNS Client. When you see it, right-click on it and choose Properties from the context menu.
3. When you manage to get inside the DNS Client Properties screen, select the General tab from the list of sub-menus. Once you get there, set the Startup Type to Automatic and ensure that the Status is set to Running.

   Note: If the status isn’t set to Running, click on the Start button below.

4. Once the DNS Client is started and properly running, repeat the action that was previously causing the ‘Server not found‘ error and see if the issue is now fixed.

In case you’re still encountering the same problem, move down to the next potential fix below.

Method 5: Disable VPN or Proxy server

As it turns out, this particular ‘Server not found‘ error can also be triggered as a result of a direct interference caused by a VPN connection or a Proxy server that ends up bocking communications between your browser and external servers.

Some users that also faced this issue have confirmed that they managed to fix the issue by either uninstalling the VPN client or disabling the Proxy server (depending on which scenario is applicable).

This method will most likely resolve the issue if you’re only encountering the issue when trying to access certain web addresses.

To accommodate both potential scenarios, we created two guides that will show you how to fix the ‘Server not found‘ error if it’s caused by either a VPN or a Proxy server.

Disabling VPN Collection

Here’s a quick guide on Disabling VPN or Proxy server in order to fix the ‘Server not found‘ error:

1. Press Windows key + R to open up a Run dialog box. Next, type ‘appwiz.cpl’ and press Enter to open up the Programs and Features menu.
2. After you manage to land inside the Programs and Features screen, scroll down through the list of installed applications and locate the VPN client that you’re actively using. When you manage to locate the application, right-click on it and choose Uninstall from the newly appeared context menu.
3. Inside the uninstallation screen follow the on-screen prompts to complete the uninstallation, then restart your computer once the process is complete.
4. Once the next computer startup is complete, attempt to install the failing update again and see if the issue is now resolved.

Disable Proxy Server

1. Open up a Run dialog box by pressing Windows key + R. Once you’re inside the text box, type ”’ms-settings:network-proxy’ and press Enter to open up the Proxy tab of the Settings menu.
2. Once you manage to get inside the Proxy tab, scroll down to the Manual proxy setup section. Once you get to the correct location, scroll down and disable the toggle associated with ‘Use a proxy server’.
3. After you manage to enforce this modification, restart your computer and see if the problem is fixed at the next system startup.

In case you’re still encountering the ‘Server not found’ error while trying to access certain websites via Firefox, move down to the final fix below.

Method 6: Disabling the overprotective firewall

If you’re only encountering the issue while trying to access a particular web address and you’re using a 3rd party security suite, it’s possible that a false positive is causing your AV or firewall to interrupt the connection.

According to some user reports, this issue is mostly reported to occur when the AV ends up acting as a MITM (man in the middle), which end up interrupting the connection. This is most likely due to the fact that the browser (Firefox in this case) is sending details about your (IIRC) connections.

In case this scenario is applicable, you should be able to fix the issue by disabling the firewall function on your AV. Of course, the steps of doing so will be different according to what 3rd-party AV you’re using.

On Avast, you can do this by going to Settings > Firewall and disabling the toggle associated with the Firewall.

However, if this didn’t work or your AV suite doesn’t have the option to disable the firewall component, uninstalling the 3rd party suite from your computer should do the trick. Here’s a quick guide on how to do this:

1. Open up a Run dialog box by pressing Windows key + R. Next, type ‘appwiz.cpl’ inside the text box, then type Enter to open up the Programs and Features menu.
2. Once you’re inside the Programs and Features menu, scroll down through the list of applications and look for the entry associated with your AV. Once you identify the listing, right-click on it and choose Uninstall from the context menu to initiate the uninstallation procedure.
3. Inside the uninstallation prompt, follow the on-screen instructions to complete the uninstallation procedure.
   Note: In case you want to ensure that you don’t leave behind any leftover files, eliminate remnant files belonging to your AV.
4. Restart your computer and see if the issue is resolved once the next startup is complete.

Когда используешь Mozilla Firefox Как и в любом другом браузере, мы можем столкнуться с проблемами. Одним из них является ошибка, когда нам говорят, что Firefox не может найти сервер. Это может произойти при попытке загрузить веб-сайт, даже если эта страница работает правильно при попытке доступа к нему из других браузеров.

Есть разные причины, которые могут вызвать эту проблему. Мы можем столкнуться с этой аномалией из-за вредоносного ПО. Также может случиться так, что у нас есть какой-то инструмент безопасности, который работает со сбоями и блокирует соединение, что мы используем VPN обслуживание или даже какой-то отказ нашего роутера. Конечно, в последнем случае это нормально, если это происходит во всех браузерах, а не только как своевременная ошибка Firefox.

Чтобы решить эту проблему, мы можем выполнить ряд действий. Таким образом, если Firefox указывает, что он не может найти сервер, мы можем правильно перемещаться. Мы объясним моменты, которые мы должны иметь в виду.

Как решить проблему, когда Firefox не может найти сервер

Удалить настройки прокси

Одним из первых шагов является удалить настройки прокси . Это простой процесс, и мы должны делать это в Mozilla Firefox. Поэтому сначала нам нужно открыть браузер. Оказавшись внутри, мы переходим к: предпочтениям. Давайте спустимся к Cеть Конфигурация.

На данный момент мы должны набрать Нет прокси и принять.

Отключить предварительную выборку DNS

Еще одна проблема, которую мы можем принять во внимание, — это отключение DNS предварительная выборка. Для этого вам нужно ввести about: config и выполнить поиск network.dns.disablePrefetch , Появятся два варианта, но первый нас интересует.

По умолчанию он принимает значение False, и мы просто должны изменить его на True. Перезапускаем браузер.

Отключить или изменить инструменты безопасности

Мы упоминали, что эта ошибка также может быть вызвана средства безопасности , Иметь брандмауэр или антивирус очень важен и может предотвратить проникновение угроз. Однако это также может быть проблемой, влияющей на работу некоторых программ.

В случае, если Firefox не найдет сервер, мы можем попытаться на мгновение деактивировать или изменить конфигурацию нашего антивируса или брандмауэра. Таким образом, мы можем узнать, вызывают ли они какие-то проблемы для правильного функционирования.

Отключить IPv6 в Firefox

Вы снова должны вернуться к: config. На этот раз мы будем искать network.dns.disableIPv6 в баре. По умолчанию он имеет значение False, и нас интересует его изменение на True. Мы должны перезапустить браузер, чтобы изменения вступили в силу.

Очистить кеш и файлы cookie

Это может решить определенные проблемы. Иногда сохраняются файлы cookie, которые могут повлиять на производительность браузера. То же самое касается кеша. Поэтому удобно их устранить и посмотреть, сможем ли мы таким образом решить проблемы, которые они вызывают, например, Firefox не может найти сервер.

Перезапустить маршрутизатор

Последний шаг, который мы можем сделать, это перезагрузите роутер , Конечно, как мы уже упоминали, это будет необходимо, только если мы увидим, что такая же проблема возникает в других браузерах.

Мы должны перезагрузить маршрутизатор правильно. Для этого недостаточно нажать кнопку и снова включить ее второй раз. Необходимо подождать не менее 20 секунд, чтобы перезагрузка была правильной.

Вкратце, вот некоторые шаги, которые мы можем предпринять, если столкнемся с ошибкой, что Firefox не находит сервер.

People all over the world use the resource-hungry browser – Firefox for a wide range of applications. Are you a user of the great open-source browser, Firefox? That’s great. But the greatness of your browser diminishes when you come across a common error, i.e.) Server not found. No need to worry. This is a very common error encountered by millions of users worldwide. Want to know more? Don’t miss the full article.

How to Fix Server Not Found Error in Firefox Browser

The great problem with the great application is the “Problem loading page. Firefox server not found”.

Step 1: General Checking

• Check your Web Browser and also do check if you have a proper connection to the Internet.
• This method is the primary method which is the most effective one to find the reason behind this problem.
• Check if you have a proper connection to the Internet.
• Try opening the same website in other browsers. If it doesn’t open, try opening other sites.
• If your site loads in another browser, we recommend that you perform
• Try checking your Internet Firewall and Internet Security Software or Extension. Sometimes it might be your Firewall preventing you from accessing your favorite sites.
• Try removing your Proxy settings.
• Disable your Internet Firewall and Internet Security Software for a while and check if the problem persists.
• Removal of Cookies and Cache files can also help in a few cases.

Step 2: Checking for the correctness of the URL

This error can occur if you have mistyped the URL of the website that you are trying to load. Rectify the incorrect URL and double-check the spelling before you proceed. If you still receive the error message, then proceed with the alternative methods provided by us.

Step 3: Updating your browser

This error might even show up if you running an older, outdated version of your Browser, Firefox in our case. Check the version of your browser and update it to the latest version to avoid errors like this in the future.

• To check if your browser is up to date,
• Open Firefox menu, Choose Help, and Click About Firefox.
• A pop up will give you the details

If you run an outdated version. You need not worry. Firefox will update itself automatically. See if you’re able to fix Server Not Found Error in Firefox, if not then continue with the next method.

Step 4: Checking your Antivirus and VPN

Most of the antivirus software comes equipped with Internet security software. Sometimes this Software can trigger the blocking of a website. Try disabling the Internet Security Software of your Antivirus program and Restart the browser. Check if the problem still persists.

If you have VPN enabled, uninstalling it might also help

Also Read: How to Turn Off the Find My iPhone option

Step 5: Disabling Proxy in Firefox settings

To disable proxy,

• In the address bar/ URL bar of your Firefox window, type about:preferences
• From the page that opens, scroll down.
• Under Network settings, choose Settings.
• The connection settings dialog box will appear.
• In that window, choose No proxy radio button and then Click
• You have disabled your proxy now. Try accessing the website now.

Step 6: Disabling the IPv6 of Firefox

Firefox, in default, has IPv6 enabled to it. This can also be a reason for your issue in loading the page. To disable it

1. In the address bar/ URL bar of your Firefox window, type about:config

2. Click on Accept the Risk and Continue.

3. In the search box that opens type dns.disableIPv6

4. Tap on Toggle to toggle the value from false to true.

Your IPv6 is now disabled. Check if you’re able to fix Server Not Found Error in Firefox.

Step 7: Disabling DNS prefetching

Firefox uses DNS prefetching is a technology for faster rendering of the web. However, sometimes this might actually be the reason behind the error. You can try disabling DNS prefetching by following the steps below.

In the address bar/ URL bar of your Firefox window, type about:config

• Click on Accept the Risk and Continue.
• In the Search bar type: network.dns.disablePrefetch
• Use the Toggle and make the preference value as true instead of false.

Step 8: Cookies and Cache

In many cases, cooking and cache data in browsers might be the villain. To get rid of the error, you have to simply clear your cookies and cached data.

The cache files store information relevant to webpage sessions offline so as to help to load the webpage at a faster rate when you reopen it. But, in some cases, the cache files may be corrupt. If so, the corrupt files stop the webpage from loading properly. One of the ways to solve this problem is to delete your cookie data and cached files and the procedure to clear cookies is as follows.

1. Go to the Library of Firefox and select History and choose the Clear Recent History option.

2. In the Clear, All History dialog box that pops up, ensure that you check the Cookies and Cache checkboxes. Click OK to proceed with the deletion of cookies and cache along with your browsing history.

Also Read: Fix iPhone Cannot Send SMS messages

Step 9: Configuring to Google Public DNS

1. Sometimes inconsistency with your DNS can cause such errors. To eliminate it switch to Google Public DNS.

2. Run the command CPL

3. In-Network Connections select Properties of your current network by Right-clicking.

4. Choose Internet Protocol Version 4 (TCP/IPv4)

5. Choose Use the following DNS server addresses and modify them with the following values

8.8.8.8
8.8.4.4

6. Similarly, Choose Internet Protocol Version 6 (TCP/IPv6) and change the DNS as

2001:4860:4860::8888
2001:4860:4860::8844

7. Restart your network and check.

Step 10: TCP / IP Reset

Open Command Prompt and type the following commands one by one (Press Enter after each command):

ipconfig/flushdns

  netsh winsock reset

 netsh int ip reset

ipconfig /release

ipconfig /renew

Restart the system and try loading your website.

Step 11: Setting DNS Client Service to automatic

• Run the command msc
• In the Services, find DNS Client and open its Properties.
• Choose the Startup type as Automatic Check if the Service Status is Running.
• Check if the problem has vanished.

Step 12: Restarting your Modem / Data Router

If the problem is not with the browser and the site is not loading in any of the browsers you have, then you may consider restarting your modem or router. Yes, Power Off your modem and Restart it by Power on to get rid of this problem.

Step 13: Running a Malware Check

If your website does not load after you clear your cookies and cache, then there is a possibility that an unknown malware might be causing that error. Such malware can stop Firefox from loading many sites

We recommend that you keep your antivirus program up to date and perform a full system scan to get rid of any kinds of malware from your device

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I hope the above steps were helpful and you’re able to Fix Server Not Found Error in Firefox Browser. If you still have any questions then feel free to ask them in the comment section.