It is important to have the correct activation of the QuickBooks Desktop for smooth functioning and task performance. However, at times even after performing the right steps QuickBooks Activation does not happen appropriately. QuickBooks Validation Code is incorrect, and the Product number is wrong are some common issues related to this. The user might also face an error message saying the service is temporarily unavailable. In this blog, we will discuss steps to correct the ‘Incorrect QuickBooks Validation code.’