Repair Error 80029c4a QuickBooks Pro can usually arise when QuickBooks component does not start properly or the Dynamic Link Library (DLL) files are missing or corrupted due to the system irregularities. Steps suggested below can help you fix and put you back on track in no time. Steps are very simple and ought to be followed in the order prescribed. QuickBooks reboot process brings the software to its optimal default settings the software has to updated to the latest release again before you open the company file.
Run QuickBooks Repair software
Reinstall QuickBooks application
Restart your Computer.