I am getting error 5639 (Could not configure product update). The solution for error 5640 is not fixing the issue. I have WINDOWS 10, 64bit,
Windows 10 Enterprise 64bit
Please call TurboTax Customer service. Here is a link: Turbo Tax Customer Service
Thanks to TT Customer Support. The issue was resolved. Here is the quick fix for error 5639 & 5640
1 - Stop the IntuitUpdateServiceV4 from task manager
2 - Right click on the TurboTax 2020 icon-
3 - Click on properties -->select Compatibility tab -->check the box beside "Run this program as an administrator" --> ok
4 - Start the TurboTax 2020
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