I thought Bitdefender would stop the popovers from Norton's and McAfee but they're still coming up. I uninstalled McAfee that came with my new laptop and there's nothing I can find that has anything to do with Norton's.
For the removal of McAfee and Norton popups, kindly check their respective support websites, as they have dedicated articles for this.
3) Open the Run command and execute the following commands one by one:
temp – delete all the files in the folder.
%temp% – delete all the files in the folder.
prefetch – delete all the files in the folder.
Check the link provided by Bitdefender Support: https://www.bitdefender.com/consumer/support/answer/2574/
Additionally, you can also check the links below that may provide further assistance.
for McAfee Popups
https://malwaretips.com/blogs/remove-fake-mcafee-pop-up-virus/
https://malwaretips.com/blogs/remove-mcafee-viruses-confirmed/
for Norton Popups:
https://malwaretips.com/blogs/remove-fake-norton-popup-virus/
https://malwaretips.com/blogs/remove-norton-viruses-detected/
Regards