Microsoft .net Framework — 4 Multi Targeting Pack

<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <TargetFrameworkVersion>v4.0</TargetFrameworkVersion> <TargetFrameworkProfile>Client</TargetFrameworkProfile> <!-- Optional --> </PropertyGroup> </Project>

If the pack is missing, MSBuild errors with: microsoft .net framework 4 multi targeting pack