The proxy server is refusing connections: Firefox Error

In this article we will show you what to do in case you are facing error The proxy server is refusing connections. Most often, you can see this message in the Mozilla Firefox browser, but it can also appear in the TOR browser.

How does the error appear? When you try to open a page on any website in the Mozilla Firefox, an empty window appears with the text:

The proxy server is refusing connections

Firefox is configured to use a proxy server that is refusing connections.

  • Check the proxy settings to make sure that they are correct.
  • Contact your network administrator to make sure the proxy server is working.

the proxy server is refusing connections

How to Fix The proxy server is refusing connections Error?

The title of the error message shows that the problem is in the settings of the proxy server. A proxy server is an intermediary computer between your device and the Internet. Typically, a proxy server is used to anonymize, bypass blocking sites and cache static resources. In the event that proxy settings are set on your computer, all requests will go through the server, which is set in the settings. And if this server doesn’t work, not available or overloaded, then the error The proxy server is refusing connections will appear in the browser.

You can set the proxy settings both in the browser and in the Windows settings. By default, these settings are not defined (the proxy server is not used). But, there are many different programs, including malware, adware or some other harmful software, that can change these settings.

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Check the Firefox Proxy Settings

First of all, you need to check the proxy settings in Mozilla Firefox itself. Open Firefox Options (Tools -> Options).

the proxy server is refusing connections options

Scroll down to the Network Proxy sections and press Settings button.

the proxy server is refusing connections network

In the new opened window make sure that No proxy option is selected (also you can try Use system proxy settings option). Click OK, close the browser, re-run it and try to visit or reload some website.

the proxy server is refusing connections access settings

Most likely, this will work. But after rebooting the computer, the browser will receive an error about refused connection again. In this case, your computer probably has some kind of program, that changes these settings. We’ll take a closer look on that in the end of the article.

Check the System Proxy Settings

If the above method didn’t help, then you need to check the proxy settings that are set within Windows:

  1. Press Win+R, enter cpl and press OK;
  2. Select Connections tab and press LAN settings button;
    the proxy server is refusing connections lan
  3. Uncheck the option Use a proxy server for your LAN (if checked) and save the changes by pressing OK;
  4. Try to reload the page again.

If the settings are correct, but the browser still has an error, then take a look at few more solutions:

  1. As we mentioned above, it’s possible that in case you disable use of proxy server, everything will be working fine until the next reboot. In this case, you need to look for a malicious program, that changes the settings of the proxy server on your device. Think about what you’ve installed recently. Scan your computer with antivirus/anti-malware programs;
  2. Try to reset local cache and cookies in your browser. Open FireFox and go to the Options -> Privacy and Security. Tap on the link Clear your recent history. From Time range dropdown list select Everything and check the options Cache and Cookies;
    the proxy server is refusing connections clear history
  3. Try to reset Windows network settings using the following commands:
    netsh int reset all
    netsh int ip reset
    netsh winsock reset
    netsh winhttp reset proxy
  4. Check if the sites are opened in other browsers;
  5. Try to disable all add-ons/plugins in the browser (especially VPN extension).
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