|Did you try this:|
How can I tell if my software has been activated?
Do the following:
* On the Help menu, click Activate Product.
If your software is activated, you will receive the following confirmation message:
The product has already been activated.
I tried to use the registration wizard from Microsoft but it doesn't go anywhere.
Did you follow the link provided, to the Knowledge Base article?
It supplies several methods to try and get it to work.