First of all, don't bump the thread after 40 minutes of no response. Someone will answer you eventually, like I'm doing now, but bumping may deter people from even bothering to help.
With that out of the way, if you really have the original disc in and you're having problems, there's nothing we can do. You should contact Securom support, and they'll tell you what to do to fix this.
Eleftherios "Leftos" Aslanoglou
NBA 2K AI Software Engineer
Visual Concepts Entertainment / 2K Sports
Used to be "That Tools Guy" around here during the good ol' days. Although you probably remember me as your favorite Podcast host.