Which scan is running?

Every day my PC is very slow because Norton is running somethng at 9am.
I have various scans scheduled for 9pm and 11:50pm daily and 3:15 am monthly.

What is it doing every day at 9am?
How can I find out (and stop it!)?
Thanks

any Custom Scan | Custom Task

maybe, 9pm tasks are running at 9am?

It looks like the scheduled scans are running at the right time. This screenshot was taken about 11am…nothin there could have been running at 9am. But something was! It does every day and it takes an hour or so. What could it be?
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