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Level 1
posted Sep 26, 2023 10:59:35 AM

Microsoft Installer error: 1603, Fatal error during installation

Hello, I can't update TurboTax. I get a "Failed to install update. Microsoft Installer error: 1603, Fatal error during installation." error message. I can't get past this error to start the software. I have already tried all of the steps to install the latest updates several times already. Can you put the most recent updates in an exe file to manually install please? I have the desktop software on disk from Costco.

Thank you.

0 2 386
2 Replies
Level 15
Sep 27, 2023 10:05:36 AM
Level 1
Sep 29, 2023 10:25:44 AM

Thank you!