Full Scan Getting Stuck or Working Very Slowly

What DIY have you tried?
What did Norton support try?

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fwiw ~ my boiler plate

Norton LiveUpdate + Restart (not Shut down) machine

If your Norton is not working as expected and you’ve tried Troubleshooting → Reset to Default &or Repair Norton & clean re-install Norton 360…then…reach out to Norton support.
Note: Reset to Default resets Cloud Backup

Download and run the Norton 360 Remover tool for Windows here

Maybe, try Troubleshooting → Record a performance issue &or Enable/Send debug logs

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Please review: Contact Norton Support [here] &or [here]

Note: type “agent” three times to reach = human agent
Note: Chat dialog offers attach screenshot