80040407 - The installation of QuickBooks appears to be incomplete. Please re-install QuickBooks.
Resolving Error Code 80040407
According to Intuit Developer Network (IDN) Support, some errors such as this one above may only be resolved by the following procedure.
- Back up your QuickBooks data file twice; once on normal backup media and once to the hard drive of your computer in "My Documents"
- Un-install QuickBooks using Control Panel->Add/Remove Programs (Windows XP) - OR Programs & Features (Windows Vista, 7, and 8)
- Delete the folder where QuickBooks was installed; usually C:\Program Files\Intuit\QuickBooks
- Delete the contents of the folder C:\Program Files\Common Files\Intuit
- Install QuickBooks
- Update QuickaBooks with all current Maintenance Releases