Firefox Your Connection Is Not Secure – Why?

Do you often notice that an error page displays on your screen while attempting to access a website “Firefox your connection is not secure”?  Does it even occur on your trustworthy and secured connection. Are you worried about it? Actually, it is not a safe way to move on with these connections, as it might cause severe damage. However, you don’t need to worry about it. As here, on this page, you will get to know all the possible ways by which you can easily get rid of the error. Additionally, we will also mention the predictable causes of this error.

Basically, this issue mostly occurs due to a lot of reasons including wrong SSL certificates, incorrect date, and time settings, and many others. To know the other reasons, you require to take a look right below in order to know the common reasons why ‘Firefox your connection is not secure’ notification occurs.

Why you Get “Your Connection Is Not Secure Firefox” While Trying to Access a Website?

If you are suffering from the same error message “your connection is not secure Firefox” then you must know the possible causes behind this issue. After knowing the causes, you can easily deal with this problem. So, take a glimpse below:

  • Incorrect Date and Time settings
  • Wrong SSL certificate
  • An unauthorized SSL certificate provider
  • Windows Firewall or third-party antivirus blocks the site
  • False SSL certificate name
  • The browser got corrupted or outdated
  • The domain contains malicious content

These are the most annoying reasons that most of the users reported about. But, there are some other reasons as well. However, no matter whatever be the cause, resolving such issues will always be a great challenge for the users. So, without any further delay, let’s move on to the next section where you will get several ways by which you can easily overcome this problem shortly.

Your Connection is not Secure Firefox: Fix it With Effective Hacks

Here, in this section of the article, we are going to mention some of the easy troubleshooting hacks along with the complete steps those are tried and tested by our expert technicians. And it is suggested you apply them in the same order as we have given. So, without wasting more time, let’s proceed:

Method 1: Check the Date And Time Settings

If the website you are attempting to access is completely safe, then you might require to check your Date and Time settings on your Windows-based device, since several websites use security certificates with expiration dates. So, if you unknowingly set an incorrect date and time on your device Mozilla Firefox may consider the certificate outdated. In such situations, you are unable to access any safe and secure website and whenever you try to access the website, you receive “your connection is not secure Firefox” error notification on your device. In that case, it is recommended you update the Time zone. To do that, tap on the clock on the Taskbar and choose the option “Adjust Time And Date” from the contextual menu. After that, you need to toggle the option  “Set time automatically” to “Off” and wait for a while, then turn on the option again.

Alternatively, you can also disable the option Set time automatically” and hit the “Change time” button. After this, set the Time and Date date correctly.

Once you are done, restart Mozilla Firefox and check if the Firefox your connection is not secure” error message still appears or not.

Method 2: Restart your Router

It is likely that the router might be causing the “Firefox your connection is not secure” and requires to be rebooted. To restart the router, you need to locate the power button and press it until the device is turned off. Now, wait for about 1 minute and then, then the router back on. Wait, until it has powered up and configured completely. Now, you can visit the website and see if the “Firefox your connection is not secure” error message still appears or not.

Method 3: Scan your Device for Malware or Virus

Such kind of Firefox error can also be triggered by a virus or malware infection on your Windows-based device. In that case, it is suggested you run a complete system scan and check if it detects any virus or malware on your device. To scan your system, you can use the Windows built-in program Windows Defender which protects your device against spyware, malware, viruses and other malicious software. To run a complete system scan using Windows Defender, write “virus” in the Run dialog box and tap on the top result “Virus And Threat Protection.”

Once the Virus And Threat Protection window opens, hit the “Advanced scan” option. Here, you require to choose the ‘Full Scan” button and then press the “Scan Now” in order to initiate the scanning process. Now, Windows Defender will scan your device and tries to detect internal bugs and glitches. If there are any kind of viruses or malware detected on your device, then remove them shortly. Besides, you can also use any other third-party security software for scanning your device.

Method 4: Clear Firefox Browsing History

Browsing history contains records of web pages which you have visited previously including the name of the website and the corresponding URL. Other private data elements such as cookies, cache, saved passwords, etc are also saved during the browsing session. Some users claim that after clearing the browsing history, the “Your connection is not secure” error gets removed from their device. Therefore, you can also try out this method. To clear up the Mozilla Firefox browsing history data, you can follow the below section:

Step 1:

Primarily, launch the Firefox and tap on the three horizontal lines which are at the top of the screen to open the Menu. Now, choose History and then, Clear the browsing data. Next, select All and hit the Clear option in order to remove the browsing data.

Step 2:

Afterward, navigate to the Security And Privacy tab and choose the Medium level. Once it is done, close the browser and then re-open it. Then, attempt to launch the website which displayed ‘Firefox your connection is not secure’ warning.

Method 5: Check your Antivirus Software

Another potential cause for the “Firefox your connection is not secure” is your security program running on your device. Basically, antivirus software conflicts with the device and displays such kind of error message, To get rid of such error, you can disable the antivirus software temporarily (recommended). Most of antivirus software has its own Disable option, but if you are not sure where the option is located, then you can open the Antivirus software. Then, tap on the “Advanced Settings, which is on the Options menu. Here, you can find the Disable the Real-time Protection button. Once you locate this option, simply hit that button to disable the real-time protection.

After disabling the real-time protection, check if the issue gets eliminated. If you still receive the same error message then, you might require to uninstall that third-party antivirus software from your device. To do this process, you can go through the steps below:

Step 1:

In the first step, go to the Windows search field and write Control and it the Enter button. Now, select the Control Panel from the top result list. Now, tap on the Programs And Features option from the result list.

Step 2:

Thereafter, choose the Application you need to Remove/Uninstall from your device. Once you find it, right-click on it and hit the Uninstall button from the left pane. Here, you might be prompted to confirm the process, simply press the OK button as well as the Agree button to finish the process.

When the process is over, restart your device and see whether the error notification gets removed from your device or not. If the error message is still there, you need to proceed to the next method.

Method 6: Reset Fiddler Settings

If you get stuck with the “Firefox your connection is not secure” while using the Fiddle, then you might need to reset the Fiddle settings. Note- if you do not use this Fiddle feature, then skip this method.

  • Firstly, tap on the Tools and choose the Fiddle Options.
  • Now, go to the HTTPS tab.
  • Next, be sure that the notification says Certificates generated by CertEnroll engine.
  • Here, select the Actions and press the Reset Certificates option from the menu.
  • Wait, until the process gets over.
  • Lastly, accept all proot and restart your device.

Once the process gets finished, “Firefox your connection is not secure” error message should be eliminated.

The Bottom Line:

In the above section, we have enlisted several troubleshooting hacks that will definitely help you to get rid of the ‘Firefox your connection is not secure’ error message. Hopefully, after applying these methods, you will be able to fix this issue on your own. In case, if you face any kind of difficulties in catching up on the steps, then you can share your feedback with us. You can also get in touch with an expert and ask for technical solutions to resolve this matter.

Nathaniel Villa
Nathaniel Villa