The issue is fixed when I run Rider as administrator, so thanks for your guidance to focus on the permission aspect. I still don't understand why this is happening given all the below facts - Nothing like this when building any non-noesis projects in UE5... until I add the noesis plugin to it - Noth...

I was testing it out more. Things work as expected (successful building) when running on UE4.27, which is also located in that program files location. So it must be something able how UE5 builds. There is a really interesting outcome if I change the C++ code for the logic of the User Component of th...

I was able to download and run the Samples project in UE5. In order to run in UE5 Unreal did convert the sample project and rebuild, so assume at some level everything is able to build correctly. However, if I open the project in either Visual Studio or Rider (rather than opening directly in Unreal)...