topic Re: Can not install TT 2020, error code: 1603 in Get your taxes done using TurboTax

Can not install TT 2020, error code: 1603

Mark Schlaffer — Tue, 19 Jan 2021 22:24:53 GMT

Can not install TT 2020 Premier, receive error code 1603. (Windows Installer error). I have TT 2016,17,18,19 installed on this computer. running Windows 10 Home, verson 20H2, windows update current, running as administrator.

Have run the Windows file check program SFC/scannow. Receive same error when installing from CD and from download.

Re: Can not install TT 2020, error code: 1603

ee-ea — Wed, 20 Jan 2021 02:06:38 GMT

See this FAQ

https://ttlc.intuit.com/community/bugs-and-error-messages/help/error-1603-a-fatal-error-occurred-during-installation-or-updating/00/26193

Re: Can not install TT 2020, error code: 1603

owill013 — Fri, 29 Jan 2021 17:08:26 GMT

You have to do an update through the initial installer. So basically you need to completely uninstall the program and reinstall it. Make sure everything is closed in Task Manager of your computer, then reinstall it.

Re: Can not install TT 2020, error code: 1603

SForrestLO — Fri, 29 Jan 2021 19:22:38 GMT

This Turbo Tax FAQ will provide troubleshooting steps on this error.

How to troubleshoot error 1603

Re: Can not install upgrades 2020, error code: 1603

hp82 — Sat, 10 Apr 2021 01:09:31 GMT

Uninstall 2020, reinstall 2020 download