Overlaysample.exe closes immediatly - no overlay visible

[TomGitHub9]

-> Build all files and made the register implicit referencing to a .json for the overlay
-> Hello.xr is running without any errors (see screenshot)
-> Explorer is indicating that the overlay is available (see screenshot)

-> OverlaySample is build (x64) and all files (.exe, .png etc) are set within the same working directory
-> Openxr_loader.dll of the xr_extx_overlay and OverlaySample are identical (1.0.9)
-> After OverlaySample is run, a black command interface window is opened, and closed immediately.
-> No overlay is visible in OpenXR, only the hello.xr blocks

I added pauses statements in the OverlaySample in order to see where things go wrong.
As can be seen in attached schreenshot, everything seems to go fine and the 'program.CreateInstance("Overlay Sample",0,"none",0); ' is executed. Thereafter some programcode is run, but window is closed and no overlay visible.

-> It should be notes that the "XR_DEFINE_ATOM(XrPermissionIdEXT) is showing a C++ potential error that Uint64 type should be declared, but compiles Okay

1. Is there a required folder structure for the OverlaySample to run smoothly?
2. What might be wrong?

[TomGitHub9]

I detailed the issue, see above