QuickBooks License Error After Clone happens when a system is cloned, rendering the product registration and license void. QuickBooks cannot open due to this problem until it is reactivated. Revalidating the license, updating configuration files, and making sure the system ID corresponds with the licensing data that QuickBooks has saved are the steps involved in fixing it. Do you need assistance with QuickBooks? Call 1.855.738.2784 to talk to a professional.