topic Error installing 2021 Superpatch w_perrelsuperpatchIS_ttax_2021.350.0100.exe in Get your taxes done using TurboTax

Error installing 2021 Superpatch w_perrelsuperpatchIS_ttax_2021.350.0100.exe

PW007 — Mon, 23 Feb 2026 10:59:01 GMT

Hello, I am using TT H&B 2021 Windows Desktop version. I downloaded and tried to install the R35 Superpatch entitled [w_perrelsuperpatchIS_ttax_2021.350.0100.exe]. I have tried with the original CD inserted and without the CD. Here is the error message I get:

The file '_lmth.rwc4nkkl_tnetnocplehlperw' cannot be installed
because the file cannot be found in cabinet file 'Data1.cab'.
This could indicate a network error, an error reading from the
CD-ROM, or a problem with this package.

Any suggestions other than reinstalling the software?

Thank you, PW

Re: Error installing 2021 Superpatch w_perrelsuperpatchIS_ttax_[phone number removed].exe

PW007 — Tue, 10 Jan 2023 01:07:45 GMT

UPDATE: Intuit's AI changed my post thinking the numbers in the patch name was a phone number. It replaced "2021...350...0100" with [phone number removed]. I added 3 dots between the numbers instead of the single dot in the actual file name. Here is the TT link to the file in question: https://patchdelivery.turbotax.intuit.com/w_perrelsuperpatchIS_ttax_[phone number removed].exe

Hopefully the AI will not incorrectly change this post too.

Re: Error installing 2021 Superpatch w_perrelsuperpatchIS_ttax_[phone number removed].exe

Anonymous_ — Tue, 10 Jan 2023 01:46:09 GMT

Contact Support.

What is the TurboTax phone number? (intuit.com)

Re: Error installing 2021 Superpatch w_perrelsuperpatchIS_ttax_2021...350...0100.exe

PW007 — Tue, 10 Jan 2023 01:55:02 GMT

Hello @Anonymous_ , I would have contacted support, however numerous users have complained about the extremely long hold times and poor customer service once connected. I was hoping a fellow user might have experienced this issue and have the remedy. I appreciate your suggestion. PW