First, I need to verify if AVG TuneUp offers a license key that lasts until 2040. I remember that most software companies issue license keys with expiration dates, especially for subscription-based models. AVG TuneUp might have switched to a subscription model where you renew annually. But I also recall that some companies offer lifetime licenses for one-time payment. However, even if they did, a key valid until 2040 seems extremely long. It's possible the user heard someone mention a license that never expires, but that's different from being valid until a specific date.