The full error message is
DEP0800 : The required framework "C:\Program Files (x86)\Microsoft SDKs\Windows Kits\10\ExtensionSDKs\Microsoft.NET.CoreRuntime\1.0.\AppX\x86\Microsoft.NET.CoreRuntime.1.0.appx" failed to install. Deployment Add operation with target volume C: on Package Microsoft.NET.CoreRuntime.1.0_1.0.23819.0_x86__8wekyb3d8bbwe from:(Microsoft.NET.CoreRuntime.1.0.appx) failed with error 0x80073CFC. See http://go.microsoft.com/fwlink/?LinkId=235160 for help diagnosing app deployment issues.
In Configuration Manager, I have checked the build and deploy checkboxes.
I cannot deploy to local machine or simulator.
Repairing Visual Studio did not work.
I am on Windows Insider Preview Build 14946, using Visual Studio 2015 Update 3
Run in the PowerShell with Administrator:
Add-AppxPackage "C:\Program Files (x86)\Microsoft SDKs\Windows Kits\10\ExtensionSDKs\Microsoft.NET.CoreRuntime\1.0\.\AppX\x86\Microsoft.NET.CoreRuntime.1.0.appx"
Resolved for me.
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