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Helper II
Helper II

My custom PCF control failing to publish and getting error

I have created a hello world pcf control and when trying to execute this command below:
pac pcf push --publisher-prefix XXX
then getting following error below:
Determining projects to restore...
  All projects are up-to-date for restore.
  > pcf-project@1.0.0 clean F:\...
  > pcf-scripts clean "--noColor" "--buildMode" "development" "--outDir" "F:\...\out\controls" "--buildSource" "MSBuild"
  [6:12:49 PM] [clean]  Initializing...
  [6:12:49 PM] [clean]  Cleaning build outputs...
  [6:12:49 PM] [clean]  Succeeded
C:\XXX\XXX\.nuget\packages\microsoft.powerapps.msbuild.solution\1.7.2\build\Microsoft.PowerApps.MSBuild.Solution.targets(163,5😞 error MSB4062: The "Tasks.StartTelemetryTask" task could not be loaded from the assembly C:\XXX\XXX\.nuget\packages\microsoft.powerapps.msbuild.solution\1.7.2\build\..\tasks\net5.0\Microsoft.PowerApps.MSBuild.Tasks.dll. Could not load file or assembly 'System.Runtime, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified. Confirm that the <UsingTask> declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask. [F:\....cdsproj]
Super User
Super User

Hi @shahriat , 


Not sure if I can help, but maybe it helps to disable the telemetry

pac telemetry disable 

Kind regards,


Kind regards,
Please click "Accept as Solution" if my post answered your question so that others may find it more quickly. If you found this post helpful consider giving it a "Thumbs Up."

This is because the latest version of PAC takes a dependency on .NET 5 ( - you will need to install the .NET 5 SDK and then restart the command prompt.

Helper II
Helper II

Thanks everyone. I had resolved it updating through VS installer. 

New Member

what you did can you please mention. I am also facing the issue

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