Presuming you’ve cleared Edge cookies n’ cache and reset Edge Sync (if you run Edge Sync).
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Maybe, you can share screenshots with Norton support.
Note: after submitting dispute and waiting 48 business hours with no change.
Please contact Norton support and advise support that you’ve submitted dispute and waited 48 business hours. My understanding is…once you state that you have already submitted False Positive over the submission portal and waited 48 business hours…support agent shall take the URL and detection screenshot and advance the case.Contact Chat Support and Norton Phone Number (related notes here)
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Norton Safe Web rating reports Safe | Education
Symantec WebPulse rating reports Education