This problem can spring from various causes. Included here are the various possible causes and the steps necessary to solve the problem.
You are attempting to unlock the product using the product key from another version of the product. It is, for example, not possible to activate TuneUp Utilities 2009 with a product key for TuneUp Utilities 2008, and vice versa.
Make sure that you have installed the same version of the product as that for which you have acquired the product key. If you discover that you have installed the wrong version, delete this version from your system and download the correct version. You will find all versions of our products at the following address:
You have not typed in the product key exactly as it stands in the E-mail that confirmed your order.
If you purchased directly from the TuneUp Online Shop, an E-mail containing the previously-purchased product key can be sent to you..
If you acquired the product from another dealer, contact the relevant company in order to have the product key re-sent to you.