To fix it:
Update Your Browser
Using the latest browser version improves compatibility:
Update Your Computer
Ensure your operating system is current to avoid driver or browser issues:
If updating isn’t possible, try using a different device.
What should I do if I see a message saying “You are using an insecure browser or operating system”?
This message means you’re using an outdated browser (like Internet Explorer or older Safari versions) or an unsupported operating system (like Windows 7 or macOS High Sierra).