topic IntuitUpdate.exe (5.1.50.0) is showing a digital signature failure. in Get your taxes done using TurboTax

IntuitUpdate.exe (5.1.50.0) is showing a digital signature failure.

THX_1138 — Tue, 10 Feb 2026 09:56:53 GMT

IntuitUpdate.exe (5.1.50.0) is showing a digital signature failure. Error Message: Intuit ESD Test Certificate: "This CA Root certificate is not trusted." This means your update app is a possible supply chain vulnerability vector.

Re: IntuitUpdate.exe (5.1.50.0) is showing a digital signature failure.

CatinaT1 — Thu, 18 Jan 2024 18:07:30 GMT

Were you able to solve your issue? Try closing TurboTax, clear your Cache and Cookies, and reopen TurboTax.

If not, please call TurboTax Customer service.  Here is a link:  Turbo Tax Customer Service

Re: IntuitUpdate.exe (5.1.50.0) is showing a digital signature failure.

THX_1138 — Thu, 18 Jan 2024 18:35:38 GMT

This is a bug in the TurboTax desktop app, please forward this issue to your app dev team.