Sorry, I don't own Toast 6. I might be buying the Lacie drive that comes with it tomorrow. If so, and if no one has answered your plea, I'll send it to you or post a direct link.
Or maybe Roxio believes his CD key was compromised when it wasn't. Perhaps someone generated a key that happened to match his. Whenever a company updates their software, and at the same time tries to block pirated software, people with legitimate copies are often left in the cold.