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FIX: TurboTax Error 1603 [Full Guide]
5 min. read
Updated onMarch 28, 2024
updated onMarch 28, 2024
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Key notes
TurboTaxis atax applicationwith a big user base in the USA. Some users have posted on support forums about aTurboTaxerror 1603 issue.
One user’sforum postsaid this,I’m getting this message when launchingTurboTax2020: 2020TurboTaxupdater fails with Microsoft Installer error 1603.
The above issue arises when Microsoft .NET Framework can’t apply an update. It can happen when users launchTurboTaxand a dialog box pops up for updating the program. The update routine fails, and users can’t utilizeTurboTaxas a consequence.
How can I fix TurboTax error 1603?
1. Reinstall TurboTax
Some users have said reinstallingTurboTaxresolved error 1603 for them. You can more thoroughly removeTurboTaxwith IObit Uninstaller.
The IObit Uninstaller utility will erase leftover files and registry entries ensuring that the application is completely removed.
The software also packs in some handy additional features. Its Software Updater tab displays a list of new updates for installed applications.
Users can click the Update All button on that tab to update them. Furthermore, users can remove toolbars and plugins from browsers with IObit Unisntaller.
Other IObit Uninstaller features:
IObit Uninstaller
2. Manually update TurboTax
Users can manually updateTurboTaxwithout launching the software. Applying manual updates has fixed the 1603 issue for some users.
Open theIntuit TurboTax update pagein a browser. Then you can download the latest R.22.0 update from there to install it.
3. Free up hard drive space
You can also free up hard drive space with third-party disk cleanup software. Thebest third-party disk cleanup utilitiescan free up more HDD space than Windows 10’s Disk Cleanup tool.
4. Close background programs before launching TurboTax
5. Clean boot Windows
If clean booting fixesTurboTaxerror 1603error 1603, you’ll need to identify anduninstalla conflicting program after restoring the original boot configuration.
6. Reinstall Microsoft Visual C++ runtime packages
7. Update Windows 10
The above resolutions have fixedthe TurboTaxerror 1603 for numerous users. So, there’s a pretty good chance at least one of those resolutions will fix the issue for you.
However, you can get in touch withTurboTaxsupport via the Contact us page for that software if more potential fixes are needed.
Matthew Adams
Windows Hardware Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it.
He is passionate about the tech world, always staying up-to-date with the latest and greatest. With an analytical view, he likes problem-solving, focusing on errors and their causes.
In his free time, he likes to read and write about history and tries to always develop new skills.
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Matthew Adams
Windows Hardware Expert
He is passionate about everything surrounding Microsoft’s OS, focusing on troubleshooting guides & tips for everyday problems.
