Error encountered: You must install or update .NET to run this application

Help Studio
1

I encountered this error after installing an update. I have already installed Microsoft .Net 8.0.0 (x64), but still encounter this error. May I know how to resolve it? thanks.

[Error] You must install or update .NET to run this application.
App: C:\Users\xx\AppData\Local\Programs\UiPathPlatform\Studio\26.0.196-cloud.23786\SolutionPackager\Tools\WorkflowCompiler\UiPath.WorkflowCompiler.exe
Architecture: x64
Framework: ‘Microsoft.WindowsDesktop.App’, version ‘8.0.0’ (x64)
.NET location: C:\Program Files\dotnet
No frameworks were found.
Learn more:
Troubleshoot app launch failures - .NET | Microsoft Learn
To install missing framework, download:
Download .NET 8.0 Desktop Runtime (v8.0.28) - Windows x64 Installer

[Error] Project build failed. Error code: -2147450730.

2

@Jason01

Can you check the below thread once,

Check the above topics, they found the solution.

Let me know if it works
Happy Automation.

3

@Jason01

Welcome to the community

did you install the .net desktop runtime only? please check the same

better follow the link given and install it..also if you changed the installation path or so then you need to add the path to Environment variabales path

cheers

5

The problem is resolved. thanks for your help.

6

Hi facing the same issue even after installing .net desktop runtime and even after restarting. what have you done actually?

7

Had the same issue. Probably because of UiPath updates.
Installed the dot net from here and all worked

8

I didn’t do any additional thing. As per the advice, i installed the run .net desktop runtime and then I re-start my laptop and then it works.

9

Hi,
as my case ( UiPath studio version 2025.0.161) , the same error message when I run project. I found the reason is the .net running version. And It’s resolved after I install .net version to 8.0.14 ( or above). For your reference~

10

Hi,

I tried with given link in the error description. But it did not work for me. After installing .Net 8.0 SDK (v8.0.422), it worked on my dev machine.

Thanks for the solution.

11

Hi, everyone. I wanted to let you know that there has been an issue with the 26.0.196 build. Usually the necessary .Net version is brought by the installer and all the .exe files are expected to use it. There will be a patch rolled out during Monday.