Get your taxes done using TurboTax


@marcio-schwartz- wrote:

Yes, I rebooted the computer several times. The error message is "Fail to install update. Microsoft installer error: 1603, Fatal error during installation."


Try downloading and running a manual update for the Federal program:

I assume you are using the Windows version.

https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-software-basic-...