The most common causes of QuickBooks Error 30114 are faulty files, insufficient setup, or system problems that arise during installation or upgrades. It might stop the software from starting up or working correctly. Repairing QuickBooks, upgrading Windows, using the QuickBooks Install Diagnostic Tool, or doing a clean reinstallation are the ways to fix this error. Call 1.855.738.2784 to speak with a QuickBooks expert if you need assistance.