I got the same error after launching TT Home & Business (Win10) and going through the automatic update today (4/16/2021). The manual update worked for me (web page was updated today as well), and was able to get back into TT.
Here's the link again:
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-soft[product ke...
