Due to a significant change in your computer configuration from when Microsoft Office was installed and activated, some important information about you computer needs to be restored, and the product needs to be reactivated to continue to function properly.
In order to restore the information and continue using Microsoft Office, insert the original Microsoft Office CD and complete the reactivation steps as prompted on your screen. If you don't perform the reactivation steps, Microsoft Office will go into Reduced Functionality Mode. In that mode you will not be able to to save modifications to documents, or create a new document, and additional functionality may be reduced.
Insert the Microsoft Office CD and click Next to continue.