Thank you Ilgaz for your sincere reply 
Here are a few screenshots.
After six or seven unsuccessful requests to suscriptions support, now they don’t answer me at all.
Thank you for showing your personal interest in my problem, because they don’t. 
They’ve never even asked me any questions, either technical or administrative (about my Comodo or Bluesnap account, for example).
Alas, I’d like to help a lot more, but if I count the forum, this is not far from my tenth exchange on the subject.
I must now use my computer to attend to essential tasks. So I’m going to upgrade to the free Premium version, while paying the Pro version for nothing.
Not to mention this mishap: : CIS - Comodo Internet Security also 2025 - Made Windows fail upgrade - #19 by Overclocker-001
Here’s what I suggest, because I seriously think it could help everyone:
This service looks really good