Hi Stanley,
We're glad to look into this & help you.
Please share us the screenshot of the message that you receive for better clarity & let us know when (at what instance) you receive the message.
I keep getting a Internet Security Warning about my security certificate can not be verified.
Thank you for sharing the screenshot, Stanley.
May I know the version of AVG Internet Security program being installed on your computer please?
(Open AVG Internet Security – Menu – About).
Also did you try to repair your AVG Internet Security program and check if it helps?
You can repair your AVG Internet Security with the following steps:
1. Press your window key and R key together and then type "appwiz.cpl" and hit "Enter"
2. Here you can see the list of installed applications in your PC.
3. Uninstall the conflicting antivirus (If found).
4. Uninstall the AVG Internet Security and click "Uninstall".
5. Now select repair and continue.
6. Restart your PC.
Please try the above steps and let us know the status of the issue.
If the issue persists, then feel free to write back to this post.
Thank you.