Run .NET Multi-platform App UI development problem run under Windows 10

[vukmileusnic]

For testing .NET Multi-platform App UI development projects I use VMware Workstation Pro and Oracle VM VirtualBox to run Visual Studio 2022.
On Windows 11 I can projects, but on Windows 10 project star and close quickly. I don't see a errors? The same problem exists with new .NET MAUI projects.

Anyone had a similar problem?

Please see video: https://github.com/dotnet/maui/assets/170092520/0240c94b-f3e2-4570-a83f-998f8317c019

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[moljac]

Hi

@vukmileusnic Thanks for the feedback.

There is visible warning:

MSB3277: Found conflicts between different versions of 'assembly' that could not be resolved

This would indicate that installation is messed up.

Try creating MSBuild structured log with diagnostic output please

dotnet build <SLN|CSPROJ> -bl -v:diagnostic

(BTW logs and text is tons better than video. I had to retype errors and warnings)

Details in the link:

https://learn.microsoft.com/en-us/visualstudio/msbuild/errors/msb3277?view=vs-2022

And last error:

has exited with code 2147942405 (0x80070005)

Indicates issue with WinApp SDK

Possible workarounds:

1. start app once as Admin
2. manually install the Microsoft.WindowsAppRuntime.1.2 redist

Details:

• MAUI apps crash on launch on Windows after Visual Studio update - code 2147942405 (0x80070005) #12080

• https://www.reddit.com/r/csharp/comments/10fvh4g/visual_studio_update_broke_maui_app/

• has exited with code 2147942405 (0x80070005) #12581

• https://stackoverflow.com/questions/75064353/net-7-blazor-maui-windows-machine-will-not-run

and yes - please report if something worked.

[vukmileusnic]

@moljac Thank you for your reply.

I tried to solve the problem:

1. Start project as admin
2. Manually install the Microsoft.WindowsAppRuntime.1.2 redist
3. Reinstall .NET 8

In the end, the only solution was:

1. Create new Windows 10 64-bit in VMware Workstation Pro

2. Download ISO file Windows 10 from here https://www.microsoft.com/sr-latn-rs/software-download/windows10

3. Install Windows 10 64-bit Pro N

4. Download Visual Studio 2022 (Install .NET Multi-platform App UI and Node.js development)

4.1) Restart virtual PC

5. Install .NET 8 Hosting Bundle: https://dotnet.microsoft.com/en-us/download/dotnet/thank-you/runtime-aspnetcore-8.0.5-windows-hosting-bundle-installer

5.1) Restart virtual PC

6. Project .NET Multi-platform App UI started under Windows 10 64-bit in VMware Workstation Pro