Hello @BeverlyNaylor
Do you have access to his Norton account?
Regardless, Norton installed or not installed. Norton subscription is (may be) active.
Stop your Norton subscription from automatically renewing [here]
Note: ~30+ days from term expiry - users report not able to change subscription status
Norton Community urges users that do not want automatic renewal to unsubscribe and remove their payment profile. [here]
Please post your progress