Norton Community does not have access to your Norton account, subscriptions nor billing information.
Please review: How To - Contact Norton Official Support via chat/phone
Please review: How To - Contact Norton Official Support via social media
TJKPGW:
I do not intend to renew my Norton 360 account, choosing instead to cancel.
Do you want to stop/cancel Norton recurring subscription service & delete billing information?
Users may stop/cancel Norton recurring subscription service & delete billing information anytime.
Please review: https://community.norton.com/en/comment/8551603#comment-8551603
TJKPGW:
Please cancel my account.
Delete My Account
Is deleting my account the same as canceling my subscription contract?
Please review:
https://support.norton.com/sp/en/us/home/current/solutions/v20220512171520504
TJKPGW:
Please provide assistance in removing the application from my devices.
What devices? PC, Mac, Android/iOS?
Note: from Windows Administrator user account.
1) Norton Remove and Reinstall Tool => Advanced Options => Remove Only
https://support.norton.com/sp/en/us/norton-download-install/current/solutions/v60392881
OR
1) Apps & features => Norton 360 => Uninstall => Uninstall Norton and remove all my user data

2) clear out Norton remnants
Please review: https://community.norton.com/en/comment/8363501#comment-8363501
3) check Windows Task Scheduler for any Norton related tasks...for example: Norton 360, Remediation.
Be sure you are using the Restart command. Not Shut down and startup again if you have Windows Fast Startup feature enabled. If you use Windows 8/8.1, 10 or 11, there can be an issue with the Windows Fast Startup feature.. See more information here. (credit peterweb)
Turn On or Off Fast Startup - W10 - W11
Note: Norton browser extensions are separate installs.