A factory reset is supposed to fix issues, but what if it creates a new one instead? The system boots up fresh, files are restored, but suddenly, Windows refuses to activate. Personalization settings are blocked, updates won’t install, and the Activate Windows watermark won’t go away. With no product key available, finding a solution becomes urgent. How do you handle an activation problem after resetting your PC, and what steps ensure a quick fix without having to reinstall everything again?