... cause it does not answer the core of my question: what means lifetime?

If lifetime means the customers lifetime - why was delivery of upgrades for customers of DVD Region & CSS Free stopped? Why should i believe that this will not happen again? Unhappily i do not have a screenshot from your website when i bought last time. But maybe i am paranoid / a lier / both.

Maybe you should read more carefully. And when already doing so, have a look at your inbox. You will find a one week old, unanswered message there.

A somehow more friendly behaviour to your customers does not cost you anything but would make a ways better impression - just my 2 cents ...