Default selector daesn't work on the sample expenselt.exe

with the the expenselt.exe that is used in uipath course the defauft selector doesn’t work.

when i launch the ui Explorer, il have to set the parameter of the ui explorer to “UI Automation” to see the the selectors of the screen, when it ist set to defaut no selector can be selected.

What is wrong on the configuration of my deskstop