Hope this clears things up. Feel free to ask if you meant the development Activator class!
The biggest criticism of Activator.CreateInstance is . Reflection-based instantiation can be 30–50x slower than new . activators dotnet 4.6.1
// Constructor threw an exception (use ex.InnerException) Hope this clears things up
On newer versions of Windows, .NET 4.6.1 (or a compatible newer version like 4.8) may already be present but disabled: Control Panel Programs and Features Turn Windows features on or off on the left sidebar [4]. .NET Framework 4.6 Advanced Services (or similar). Check the boxes for the features you need and click 4. Critical Support Notice Support for .NET Framework 4.6.1 ended on April 26, 2022 Security Risk 2022 Security Risk