Following are a small sampling of unsolicited ads that have popped up randomly when loading PaintShop Photo Pro X3. This is from the same, fully paid-for software installation on one PC. In every case, the "Do not display this message again" checkbox (lower left corner) was selected (as if that would actually do anything).
No, there is no setting or option in PaintShop Pro Photo X3 to disable any ads, in any form, at any time.
Yes, Corel enjoys laughing in the face of their users.