You need to uninstall completely.
see post number 2 on this thread, they link to a set of “disable” procedures
both of you cannot be correct
who is?
I recently bought a Toshiba laptop that came with a trial Norton Internet Security Suite and just went to ControlPanel/Programs. Selected Norton and “Uninstall”. There were a couple of Norton apps but Uninstall took care of them. I can find no trace of Norton now and Kaspersky is working fine.