Haven't had any trouble with removing Cortana, but that was not my goal. Only wanted to get rid of this one reminder, and keep the ability to use Cortana for other reminders.
A while ago, I believe I set a reminder in Cortana's notebook. The reminder occurs every day at 1PM, but I am not sure how to get rid of it. When asked, Cortana doesn't seem to think there are any reminders set (below).
I looked though my outlook tasks and events on all accounts that I am...