I have bought a unity license few time ago, today I have tried to re-install unity on my PC, but it gives me the following error: Serial exceeds maximum number of activations.
The problem is that I have installed unity on this PC many times, but for a virus problem I have re-installed windows many times. Is possible to revoke all the license used before this, so I can re-install and use unity without problems?
I had the same problem recently. I think it stems from not releasing your license before removing Unity. Send an e-mail to support@unity3d.com and explain the issue… they resolved mine within 24 hours.