I am not sure why you want to continue the discussion. Your situation was clear. It was evident that their software did not work with your VPN, so why should you buy it? That was the sufficient reason for the reclamation....you just ignore the line where i said the Admitted it to me ! And immediately refunded me after 3 months.
Please, read my posts again. Everything I wrote, can be logically concluded from the information that you wrote. And it does not look like defending BitDefender.
This is my last post here, because our discussion is off topic, and I opened the new thread: What is a bug?