Step 7: Reinstall QuickBooks Using Clean Install If none of the above steps work, perform a clean install of QuickBooks. This process involves uninstalling QuickBooks, renaming installation folders, and reinstalling the software. Uninstall QuickBooks via Control Panel > Programs > Uninstall a Program. Download the QuickBooks Clean Install Tool from the Intuit website. Reinstall QuickBooks using the installation file. Retry the update process. For guidance on a clean install, contact QuickBooks Support at (833)200-3695.