If you want hassle-free protection without the risk of being blocked or infected, AVG offers several official paths:
I see you're looking for information on average internet security license keys that are fixed until 2040. Here's what I found:
User u/TechieInPain : "I downloaded a keygen for AVG 2040. My PC started mining Monero in the background. CPU was at 100% for days before I found it. Formatting the drive was the only fix."