It is not sufficient to just "Hightlight" the filter(s) to delete, you must tick the little box first.
That worked. Just as an FYI, the check boxes do not show up on my system. That's why it was confusing. Once I new that there were checkboxes, I was good. Thanks for the quick response. I love your product and have relied on it for a year now.
I second that donation button. I'd gladly donate for something I continue to use.