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Error Type universe cannot resolve assembly: System.Runtime, Version=4.0.0.0, in Visual Studio 2016


How to fix the Error  Type universe cannot resolve assembly: System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a

Run  the following command in the Package Manager Console 
PM> Install-Package Microsoft.NETCore.UniversalWindowsPlatform

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Error CS0234 The type or namespace name 'ApplicationInsights' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)

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Following sample uses the Control class that is a standard class within the System.Windows.Forms namespace. The DLL containing this namespace is automatically included in Windows Forms applications. The class includes a method named IsKeyLocked, which allows you to determine whether keys such as Caps Lock are switched on or off. To check the status of the Caps Lock key, you can use the method in the following manner:

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