The Assassin's Creed 2 activation key generator saga serves as a cautionary tale for gamers and developers alike. While generator creators may initially succeed in bypassing security measures, the ongoing battle between pirates and developers often results in a losing proposition for the former. Patches and updates can, and frequently do, render generated keys useless, leaving users without access to the game.
Navigate to your installation folder (usually C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher ). Delete the folder and restart the launcher. assassins creed 2 activation key generator patched