The key is successfully working, I guarantee that.
But, one thing, the key is only for Kaspersky Internet Security 2009 (version 8), so please don't try to run the key on other versions of Kaspersky because it may not work with older versions of Kaspersky Internet Security and any version of Kaspersky Anti-Virus and other Kaspersky Lab products like Kaspersky Mobile Security (any version), Kaspersky Small Office Security (any version), Kaspersky Open Space Security Suite (which includes Kaspersky Work Space Security (any version), Kaspersky Business Space Security (any version), Kaspersky Enterprise Space Security (any version), Kaspersky Total Space Security (any version)), Kaspersky Anti-Hacker (any version), Kaspersky Administration Kit (any version), Kaspersky Mail Gateway (any version), Kaspersky File Server (any version), Kaspersky CheckPoint (any version).