Question by jormaje · Mar 16, 2019 at 11:24 PM · windows system .net libraries implementation

NotImplementedException: Unmanaged activation is not supported

I'm getting the error NotImplementedException: Unmanaged activation is not supported

The error is caused by the System function GetTypeFromProgIDImpl

 System.RuntimeType.GetTypeFromProgIDImpl (System.String progID, System.String server, System.Boolean throwOnError)

Called by

 System.Type type = System.Type.GetTypeFromProgID(progID, hostName, true);

This exception is not thrown when running in Windows Command Prompt but it does it running on Unity. What could cause this different behaviour?

This is a simple code that is throwing me this exception:

 using UnityEngine;
 using System;
 
 public string pid = "program";
 public string hostName = "localhost";
 
 public void executeSysFunc()
     {
         System.Type type = System.Type.GetTypeFromProgID(pid, hostName, true);
         Debug.Log(type.Name);
     }

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