Your Connection is not Secure

Well, it is important to make sure that the websites you are browsing are safe and secure. Today, Mozilla Firefox is rapidly improving its security measures. Browsing the Internet has become paramount but being protected online has also restricted in certain ways. For instance, the Mozilla Firefox error “Your Connection is not secure” prevents various users from accessing the websites.

This error usually occurs when the validation certificate is not completed also when the encryption level is not so strong. It keeps on showing that your connection is not private and if you ignore this message then you are putting your online information at great risk.

Why does your Browser Display the “Your connection is not Secure” Error Message?

Mozilla Firefox internet connection is not secure and keeps showing error. This usually occurs when the validation certificate of the website is not valid or completed. Moreover, if the certificate is not valid then Firefox stops the connection to the website and starts displaying error messages.

The Mozilla connection which is not secure and shows an error is also known as an SSL error. The term SSL stands for Secure sockets layer. Usually, it is an internet security protocol that helps in protecting the users from leaking any kind of personal or financial information over the internet.

Most of the users might ignore this warning message and continue to access the website, but you need to remember that it could put your entire device at risk due to the vulnerable communication channel. Thus, if you see this error indicating that your web-page is not recognized or secure, then you can try the following troubleshooting steps to fix the Firefox connection i.e not secure.

There can be various reasons for causing Mozilla Firefox error and some of them are:

  1. Either the certificate is missing or expired.
  2. Browser might not be updated.
  3. Antivirus settings for date and time are off.
  4. Server issues can be the reason for the Mozilla Firefox error.

How to fix your connection is not Secure Error?

If you have ever visited a website and seen an alarming message that states that your site is not secure or your connection is not secure then are few simple methods that help in diagnosing the problem and mitigates any potential security hazards.

These errors are so convoluted that it becomes utmost impossible to diagnose this problem and the error can occur to any kind of website. When you are using Google Chrome, Firefox, Android, or iPhone these SSL errors can occur anytime anywhere.

While not being able to access your regular sites must be frustrating. In most cases, they are caused by websites that are not configured properly. Therefore, you can check your date and time settings and clear your entire Firefox history. Mozilla Firefox might not be the cause of these security errors but you need to check:

  • Computer date and time.
  • Firefox Cache and cookies.

Various reasons cause this error warning and thus it doesn’t make it secure. It could be possible that you must have an expired SSL certificate that wasn’t set up correctly. While setting up the SSL certificates is hard especially if the site administrators brought high-end certificates.

Google Chrome:

When you receive this error message in Google Chrome then it will take you to a page titled privacy error. There it will display a large red exclamation point and Your Connection is not private. It will alert you that attackers might be trying to steal your passwords or messages. Also, the message will provide an option to back to the previous page or attempt to continue to the site.

Additionally, the chrome page will also have an error code, and here are most of the common:

  • SSL certificate error

Mozilla Firefox:

On Mozilla Firefox the message seems to be similar but rather than Private. This message appears as Your Connection is not secure and informs you that your website is configured improperly. Thus, it will provide you an option to go back to the advanced settings.

Common error codes that you see with Mozilla Firefox are:


Following has been defined some recommendations to check for fixing Your Connection is not Secure error:

Solution 1st: Check Time and Date and Correct it:

The Time-related errors on secure websites can usually get caused by configuring incorrect dates and times. Thus, it can only be resolved by setting your correct date, time, and time zone. You can change your date and time settings from the clock on the Windows taskbar or you can also follow the below-given instructions:

1: First, you need to click the Windows Start button and then press the Windows Key.

2: In the Start menu, you need to click on Control Panel.

search for control panel to fix Your Connection is not Secure

3: In the Control panel window, click on Clock language and Region and then Date and Time.

click on Clock language and Region and then Date and Time to fix Your Connection is not Secure

4: Here the panel that opens shows you the current date and time settings.

5: Now, to change your settings, click the Change Date and time or change time zone button.

6: Next, to confirm the changes, click OK.

click the Change Date and time or change time zone button

In Windows: 

1: Go to Settings>Time and Language>Date and Time.

2: Now, enable Set Time Automatically and Set Time zone Automatically if they are turned off and also check if the updated information is correct or not.

enable Set Time Automatically to fix Your Connection is not Secure

3: Next, you need to refresh the page if you are trying to access it.

Solution 2- Restart Your Router:

You can reset Mozilla Firefox and try to visit the website again to see if you still receive Your Connection is not a secure error.

For resetting Your Router try to perform the following steps:

1: First, you need to find the power button and press it until the device power starts blinking.

power button and press it to fix Your Connection is not Secure

2: Now, wait for at least 30 seconds and then again turn the Router On.

3: Again, wait until it has powered up and configured correctly.

4: Try to visit the website again and see if it resolves the error or not and if not then move towards the next step.

Solution 3- Check Your Certificates:

While proceeding with an unsafe connection it only fixes the problem temporarily. Thus, if you don’t want this warning error that keeps bothering you then you can make the web-browser ignore the SSL certificate error altogether.

For proceeding with this, here is how you can do it:

1: Firstly, right-click on the Google Chrome shortcut on your desktop.

2: Now, Click Properties.

Click Properties

3: In the target field, add the below-given quotation:

  • (ignore-certificate-errors)

4: Now, click OK to save your changes.

click OK to save your changes to fix Your Connection is not Secure

5: If you see that the error code NET::ERR_CERT_COMMON_NAME_INVALID appears on your screen then bypass it by clicking the Proceed Button.

6: Revisit the website and the error message will get disappears.

Solution 4- Reinstall Certificates in your Ad-blocking Software:

One of the best options for fixing this error is to disable AdGuard to re-install certificates. This procedure is quite an easy one to follow. Lookout at the steps below:

1: Firstly, you need to close all your browsers.

2: Now, open AdGuard.

3: Go to the General Settings.

4: Next, you need to scroll to the bottom and then click on Re-install certificates.

5: Check your connection secure problem should have been resolved.

Solution 5- Turn Off or Disable your Antivirus Software Temporarily:

1: Sometimes VPN’s and Antivirus software override your network settings.

2: It also includes blocking certain SSL certificates or connections. Thus, if you also have run it then tries to temporarily disable them or turn off the SSL scan feature and see if this helps in fixing the problem or not.

Solution 6- Disable Ad-blocking Software:

AdGuard helps in protecting you from unwanted ads. For instance, if a website contains malicious ads then AdGuard helps in preventing from loading and displaying your internet connection. Also, you can disable AdGuard to access the website if you need to.

To disable Adguard you need to follow this process:

1: First, you need to close your browser and remember not to minimize.

2: Now, close AdGuard and wait for some time and then turn it back on.

3: Next, you need to open your browser and check if you can access the website or not.

4: If still this problem persists then you might need to consider disabling Adguard permanently or switch to a different adblocker.

Solution 7- Download and Install 32-bit Version of Firefox:

Most of the users have a complaint that their connection is not secure and can appear if you are using a 64-bit version of Firefox. It has also been seen that certain versions of Kaspersky aren’t fully compatible with the 64-bit version of Firefox. To fix this issue you need to uninstall the 64-bit version of Firefox and then install the 32-bit version instead.

If you are using a 64-bit version of Firefox, try the below-given steps: 

1: First, click the Menu button in the top-right corner and click the question mark icon at the bottom.

click the question mark to fix Your Connection is not Secure

2: Choose About Firefox from the menu.

Choose About Firefox from the menu

3: Here you will see the Firefox version that you are using.

4: If you have a 64-bit version then uninstalls Firefox and downloads the 32-bit version instead.

If you have a 64-bit version then to fix Your Connection is not Secure

5: While re-installing Firefox, you can try to update both Firefox and anti-virus.

6: It is also recommended that you should update your antivirus and check if that solves the problem.

7: You need to remember that this problem might affect some other antivirus tools. Thus, you must download and install the latest version of your antivirus software.

Solution 8- Disable Family Safety Feature:

In Windows 10, the user needs to sign with your Microsoft account. Also, there is a feature that protects you from malicious websites commonly known as the Family safety feature. However, this feature results in your connection and is not a secure error message on your browser. To disable it you need to follow this procedure:

1: Visit to

2: Now, you need to sign in to your Microsoft account.

3: Next, you need to remove the preferred account by clicking on the Remove button.

4: Now, you can open your browser and refresh the site, and see if the message will still be displayed or not.

Solution 9- Check Virus and Malware:

1: It might be possible that the error gets caused due to a virus or malware infection on your computer device. Therefore, it is recommended that you perform a full system scan and see if it detects the malware or not.

2: You can make use of Windows defender in which protects the computers against viruses, spyware, and other malicious software. To run a full system scan you can make use of Windows Defender and type virus in Search Box and Click the Virus and Threat Protection.

Solution 10- Check Fiddler Settings:

Most of the users have reported that this error appears while using Fiddler. So, if you don’t use this service try not to implement it and if you are using this service then learn the following given steps

To fix the problem in Fiddler, perform the following steps:

1: Click Tools>Fiddler Options.

2: Now, navigate to the HTTP’S tab.

3: Ensure that the text says Certificates Generated by CertEnroll engine.

4: Next, you need to click on Actions>Reset Certificates.

5: Wait for the process to complete.

6: Accept all Prompts.

7: Now, this issue gets completely resolved.

Solution 11: By-Pass the Warnings:

When you face the Mozilla error connection issue that is not secure while attempting to visit a trusted website then you need simply to bypass the warning.

Here is how you can do it:

1: On the error page, first you need to click on the “Advanced option”.

Advanced option to fix Your Connection is not Secure

2: Now, you have to click on Add Exception.

3: Next, the user needs to click on Confirm Security Exception. Thus, it helps in solving the error.

Solution 12: Delete all cert8.DB File:

In Mozilla Firefox, the Cert8.db file handles all your certificate storage. If this file gets corrupted then your connection is not secure and thus you cannot try to access the secure websites. To fix this problem you will need to delete the file. Here the Firefox will create a functional one afterward therefore it is safe to delete it.

Here is how you can delete a corrupt cert8.DB file:

1: First, you need to choose Firefox and don’t minimize it.

2: Now, you need to press Windows Logo +R on your keyboard>type %appdata and then hit Enter or click OK.

3: Go to Mozilla Firefox >Profiles in the roaming folder.

4: In the profile folder, you need to select cert8.db and delete it.

select cert8.db and delete it

5: Now, you need to restart Mozilla Firefox and see if you can access the website or not.

Solution 13: Change Your Web Browser:

If your connection is not so strong or some error occurs then it may be due to your Browser. So, it is better to change your browser and thus it helps in resolving the issue. Also, if you want to avoid any upcoming security issues then it is recommended to use Opera. This browser comes along with a blacklist of malware sites. As per some sources, Opera gets pretty updated soon. Moreover, this browser comes with an Integrated VPN through which you can activate me with just a click of the mouse.

Solution 14: Use Private Mode:

1: Most of the data files are used by your computer device for a variety of purposes. It keeps a history of the websites that you have visited in small text files known as Cookies.

2: The Private mode removes your private data components. So, when you are using the private mode, no one else can use your computer and see your activity. Also, saved bookmarks and downloads remain saved.

3: Private mode doesn’t save your cookies, site data, browsing history, or information that you enter into your forms.

4: If you are receiving “Your Connection is not secure error” then you need to try to access a particular website and visit the new Private Window and then Select New Private Window by pressing CTRL+SHIFT+P on your keyboard.

5: Due to this activity all new tabs get open in private mode.

all new tabs get open in private mode to fix Your Connection is not Secure

Solution 15: Clear Browsing History:

One of the best methods that you can try is clearing your browsing history such as cookies, cache images, and files:

 To clear browser cache in Chrome, try to follow the steps below:

1: Firstly, you need to click three dots in the top-right corner and then Check History.

then Check History

2: Now, hit the Clear Browsing Data option on the left.

Clear Browsing Data to fix Your Connection is not Secure

3: Next, you need to tick the boxes under the basic tab to clear your browser cache and cookies.

you need to tick the boxes under the Your Connection is not Secure

4: Go to the “Advanced tab” for more options.

5: From the Time range drop-menu, you need to select all time.

Time range drop-menu

6: Once you are done, press clear data.

Frequently Asked Questions (FAQ’s)

Q1: How you can clear the cache on Google Chrome?

Ans: Here has been listed some basic steps that helps in clearing cache in Google Chrome:

1: On your computer device, first you need to open Chrome.

2: Now, at the top-right, click More.

3: Next, click more tools and clear browsing data.

clear browsing data....

4: At the top, choose a time range.

5: To delete everything, you need to Select all time.

6: Next, clear cookies and other site data and Cached images and files and check the boxes.

7: Click Clear data.

Q2: How to clean Computer Cache?

Ans: For cleaning, computer cache tries the below-given steps:

1: Press Keys CTRL, SHIFT, and Del on your keyboard.

2: Select the period since installation and empty the whole browser cache.

3: Check for option images and files in Cache.

4: Confirm your settings by clicking the delete button and delete all browser data.

5: Now, refresh the page.

Q3: How to delete data from Chrome?

Ans: Following have been listed some points that show how to delete data from Chrome:

1: On Android Phones, open the Chrome app.

2: Tap more, Settings.

3: Now, tap privacy and security.

4: Clear browsing data.

5: Choose a time range from which you want to delete the history. It could be either one hour, one week, etc.

6: Next, you need to select the type of information that you want to remove from your computer device.

7: Tap Clear data.

Q4: How you can clear the Network cache on windows 10?

Ans: Perform the following steps of how you can clear the Browsing History:

1: First and Foremost navigate to the desktop.

2: Now, you need to right-click the start button.

3: Next, you need to choose Command Prompt.

4: Now, it asks you to allow Command Prompt to make changes to your computer. Select Yes.

5: Type ipconfig/flushdns and hit enter.

6: Type ipconfig/registerdns and then press Enter.

Q5: How you can delete activity on Google?

Ans: For deleting the activity from Google learn the following steps:

1: On your Android Phone, first you need to open your device settings app Google.

2: Manage your Google account.

3: At the top, you need to tap Data and Personalization.

4: Under Activity and timeline, tap my activity.

5: To the right of the search bar, tap more.

6: Below Delete activity, tap all time.

7: Now, tap Delete.

Final Words

To get of Mozilla Connection error issue it is easier, to begin with, the above-given troubleshooting steps and implement it in the same way as it has been explained. Most of the common causes for this error are date and Time, Malware, Anti-virus software, and ad blocker activity. When you get that your connection is not private in your browser then there is no need to get panic. In this article, we have explained all troubleshooting steps that help in fixing the Mozilla Firefox error issue.

Still, if it won’t help in solving your problem then you can connect with us or contact our expert technicians via chat we surely help you in resolving this error, and thus it makes your browser run smoother without any occurrences.

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