CODEWITHSUNDEEP
winapiuwpwindows-10-universalvisual-studio-2017windows-10-iot-core
JP Hellemons
JP Hellemons

Reputation: 6057

Cannot install Microsoft.NETCore.UniversalWindowsPlatform

Seemed to be related to this: Nuget error install package Microsoft.NETCore.UniversalWindowsPlatform but it is not, because the checkbox is checked by default in vs2017. I am running the creators update by the way and everything is up-to-date.

I have just started a new C# background IoT project and got this:

enter image description here

When manually installing the package in the package console I got this:

...

Successfully installed 'Microsoft.Net.Native.Compiler 1.6.0' to projectnamehere

Install failed. Rolling back...

Package 'Microsoft.NETCore.Jit.1.0.3' does not exist in project

...

Package 'Microsoft.NETCore.Jit.1.0.3' does not exist in folder

...

Install-Package : Could not install package 'Microsoft.NETCore.Jit 1.0.3'. You are trying to install this package into a project that targets '.NETCore,Version=v5.0', but the package does not contain any assembly references or content files that are compatible with that f ramework. For more information, contact the package author.

seems related to this https://connect.microsoft.com/VisualStudio/feedback/details/1617801/newly-created-universal-app-projects-dont-work

but I have no idea how to fix it. I have also seen a website suggesting to remove the project.json file, which I did but did not resolve it.

I have also closed vs2017 and modified the installtion to verify that the creators update sdk was checked and installed.

I have lowered the target version in the project props, but that did not help either.

enter image description here

edit manual install the jit package did not work either:

Could not install package 'Microsoft.NETCore.Jit 1.1.1'. You are trying to install this package into a project that targets '.NETCore,Version=v5.0', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.

edit2 funny thing is that the solution explorer tells me that there is a project.json while there is none in windows explorer:

enter image description here

I verified the sdk installation by hitting the modify button of the vs2017 installation and tried to create a new project afterwards but got the exact same issue again.

Upvotes: 1

Views: 1712

Answers (2)

Paul Chapman
Paul Chapman

Reputation: 260

This issue has been fixed for Visual Studio 2017 in updated templates released here: https://marketplace.visualstudio.com/items?itemName=MicrosoftIoT.WindowsIoTCoreProjectTemplatesforVS15

Upvotes: 1

hansmbakker
hansmbakker

Reputation: 1234

Update: Microsoft updated the templates in their github (https://github.com/ms-iot/samples/commit/2e2aa34ab514b8c0725a53263898a412e0a1be1c) but didn't push it as an updated templates package to Visual Studio yet. Changed the answer accordingly.

Temporary fix:

  • replace in your .csproj file

<ItemGroup>
  <!-- A reference to the entire .Net Framework and Windows SDK are automatically included -->
  <None Include="project.json" />
</ItemGroup>

with 

<PropertyGroup>
  <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
</PropertyGroup>
  • add the Microsoft.NETCore.UniversalWindowsPlatform package

Optional extra: Add the Windows IoT Extension SDK via the references dialog

Upvotes: 6

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