Re: [NTG-context] System variable HOME

it seems that Ctx [re]defines the system variable HOME on its run;

This is not an answer, but a guess: Could it be that your interactive shell uses one setting, and the non-interactive shell uses another? I'm only guessing here, I don't know much about Windows administration; I just remember being driven to despair by a similar 'these settings are not used if the shell is not interactive' problem under Linux. --Sietse