After switching to Norton from McAfee I continually get Critical Error and Alert notifications

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Issue abstract:

Detailed description: I continually get Critical Error and Alert notices with the website (d8vcsrk8n2sc73bscaq0.novareto.com.in) to remove the item using Microsoft Edge. How do I stop these messages and alerts?

Product & version number:

OS details:

What is the error message you are seeing?

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@LeeA_Wiegand When you removed McAfee did you run their removal tool?
https://download.mcafee.com/molbin/iss-loc/SupportTools/MCPR/MCPR.exe

SA