Dear Thanks I have solved the issue.
But a I have a question, every time that I want to test some code I constricted to protect the file and run the app, this comports continuous code changing otherwise the the method EP_RegHardwareID() return an empty value and through an exception.
is there any ...

Dears
I'm trying to print on screen the HwId, I use C# and call this method as documentation:

public class Enigma_IDE
{
[DllImport("enigma_ide.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)]
public static extern string EP_RegHardwareIDW();
}

using it like this ...

Dears members does someone knows how to block a specific Hardware ID?
If I want to block an user to use the software in a specific PC where before was generated and HW id.

I have a problem if protect my windows form app with enigma
I'm running the app in visual studio and it is fine, when I protect it with enigma and try to open a file in a folder that contains many .bin files, the app crash and close itself.
The app in in c#, I use .NET framework 4.7
I have try to ...