How to Fix “Your Connection Is Not Secure” Error in Windows 10

Receive the messages that says “Your connection is not secure” when you try to visit a webpage in Firefox or Chrome? You’ll find that you can’t access this site after you receive the error. Here are a couple of ways to fix the “your connection is not secure” issue in Windows 10.


1. Restart Your Router

The easiest fix for the “your connection is not secure error” message is restarting your router. To do that, press the power button on your router or unplug the power cord. Wait for about one to two minutes and press the power button again.

2. Check System Date

If the date and time on your Windows 10 PC is set improperly, the “your connection is not secure” message will also appear. Because a lot of websites use the security certificate which has an expiration date. If the system date on your PC is incorrect, your browser will identify the required certificate as outdated and send an error message. To fix it, take these steps:

Step 1. Right-click the clock on the right side of the Taskbar and click the Adjust date/time option.

Step 2. When the Date and time window opens, turn off Set time automatically option.

Step 3. Wait for a few moments and then turn this option back on.

3. Disable Antivirus Program

Some certain antivirus programs could interfere with the Internet connection which will trigger the “your connection is not secure” error. You could try to temporarily disable your antivirus software and then visit the site again to check whether the error message has disappeared.

4. Delete cert8.db File

According to a lot of Windows 10 users, the “your connection is not secure” error could also be related to the corrupt cert8.db file which is in charge of storing certificates. Once the cert8.db file is corrupt, you shall delete it and let Google Chrome or Mozilla Firefox to recreate it. Take these steps:

Step 1. Close your browser.

Step 2. Press Windows Key + R altogether to open the Run dialog.

Step 3. Type %appdata% and hit Enter.

Step 3. For Mozilla Firefox browser, open Roaming\Mozilla\Firefox\Profiles. For Chrome browser, open \Local\Google\Chrome\User Data\Profile.

Step 4. Locate the cert8.db file.

Step 5. Right-click on the cert8.db file and click Delete.

Step 6. Restart your browser.

5. Disable Ad Blocking Program

In some cases, the ad blocking program like Adguard which is reported could interfere with the Internet connection, so that you will receive the “your connection is not secure” message. You could close your browser first and then disable your ad blocker and then open the browser to check whether the message is gone.

If you discover other additional troubleshooting methods to fix the “your connection is not secure”, please write them down in the Comments section below to share with us. Thanks a lot.

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  • I feel so stupid now. I was looking for hours to find why my computer would not log in. Turns out that I had to set up time and date. Thanks for the information mate.

  • none of the above solutions worked for me. I am getting this error on all my workstations and servers and all the 3 browsers. Please help

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  • Hello! I just wanted to ask if you ever have any trouble with hackers? My last blog (wordpress) was hacked and I ended up losing several weeks of hard work due to no backup. Do you have any methods to prevent hackers?

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