If you switched/updated order, our system will send you a new key code. This key code has already registered on another computer.ġ) If you need to switch computer, please follow up this guide to transfer license from the old computer to a new computerĢ) If you purchase a new computer, please contact us and purchase an extra licenseģ) If your computer is crashed, please contact us with your license code for a crashed computer solution.ģ)Or the buyer switched/updated the order. How to rollback to ezCheckPrinting previous version 7, 6 or 5īelow are some reasons that you cannot register a license keycode:.How to update ezCheckprinting to the latest version.License issue and solution for QuickBooks/Quicken Version.How to register a ezCheckPrinting license.For example: If you enter the version 6 license to ezCheckPrinting version 7, you will receive 'Invalid Key Code' error message. EzCheckPrinting Troubleshooting: License Issue The ezCheckPrinting license codes are different for each version.