This thread might be getting confused. There is the Business program and the Personal programs (which includes Home & Business). Business and Personal are separate and have separate updates. So be sure you are downloading the right one.
Manual Update for the Business program (looks like only is to #17)
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-business-software/00/25794
Manual Updates for the Windows Personal versions.
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-software-basic-...
