Access to Windows Tuneup Renewal

This is what I get when attempting to use the link from AVG Shop-Canada: "Not secure http://192.168.8.1/html/home.html?url&address= the link is repeated here and a Huawei/Bell window login for an "available update" appears.
It may be of interest that this "message" has been arising lately when I try to access numerous sites.

Hello, Arthur

We will check this for you.
Since we are not able to access the link to view the error you get.
I request you to share us the screenshot of it.
You can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions.

User-added image

Hello, Arthur

We will check this for you.
Since we are not able to access the link to view the error you get.
I request you to share us the screenshot of it.
You can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions.