The process I used to fix the problem was as follows:
Start with a clean install of TurboTax.
Restart your computer.
Download and install manual updates using Microsoft Edge.
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-software-basic-...
When the updates are complete your computer should restart, if not, restart your computer.
Open TurboTax and let it run updates. The update time should be short since you manually installed most of the updates.
Open your tax return, click Online tab then View Installed Updates. You should updates installed on the current date. Also, click the help on the menu bar then About TurboTax then click the Version tab. Should be [phone number removed].
Now try to input 1099R's.
