According to Intuit, who releases TurboTax, TurboTax 2020 does indeed experience an authentication conflict during installation with the Windows 20H2 update — similar to what’s described above. While TurboTax/Inuit says it is aware of the problem, the company also states it has not developed an official fix for it yet.

Why can’t I log in to TurboTax?

We are unable to sign you in. There may be an issue with your system configuration. Make sure your browser has Javascript and cookies enabled. If the problem persists you can clear your cache and cookies and then restart your computer, or try using a different browser.

What to do if you get an error on TurboTax?

Click Save and then close TurboTax. Restart the program and open the backup copy to make sure it’s not corrupted. If you get an error, delete the backup and repeat these steps. This is an official solution by the TurboTax forum moderators and it has seemed to help plenty of people who were struggling with the same issue.

What kind of framework do I need for TurboTax?

TurboTax for Windows relies heavily on the .NET Framework, so it’s crucial that your .NET system files are up-to-date and functional. TurboTax for Windows 2017 and 2018 require .NET Framework 4.5.2. Windows 10 comes with .NET Framework 4.6.

How do I backup my TurboTax tax file?

Follow the steps below in order to backup you tax data: From the File menu in the top-left corner of TurboTax window, choose Save As (Windows) or Save (Mac). Navigate to where you want to save your backup files. Note: If you’re saving data to a portable device, save it to your computer first to prevent data corruption.

Why is TurboTax not loading on Windows 10 Pro?

Windows 10 Pro. The original Inuit Help person did not feel it was a Registry Issue, however a supervisor reports there are reports of a registry issue. Hence try help through the MS Community. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread.