Hi @martinfamily12
Greetings from Mcafee.
We are sorry for the inconvenience caused. We would like to let you know the pop ups you received from the browser is a scam pop ups not from the original source.
As McAfee wouldn't send pop up alerts from the browser. In order to remove browser fake virus alerts please refer our article on the given below link.
Your browser displays fake McAfee notifications
Alternatively, you can always contact chat support using the link below for immediate assistance.
McAfee Support
Regards,
Venkat