Deleting monthly bill reminder

Good Day,

I set up a bill reminder for Medicare when I turned 65 a couple years ago. This January I signed up for an Advantage plan that now takes care of any payments to Medicare.

Problem is that now I can not delete this reminder and keeps showing up in my list of bills to pay with a Fix It like there is a problem with getting the on-line billing. I have tried Validation and Fixing the Quicken Classic file and it shows no errors. Whenever I try and delete the reminder it comes up with the following pop-up message:

Well the few moments have not turned into over 6 months and I would like to get rid of this reminder. When I click on the Fix It I get a pop-up;

And it just goes around in circles. Any suggestions?

Thank you,

Mark