Hmm.  How do you commonly use File-Source and File-Close?  Are they accessed while a script is running, or intended to do so?  Have you tested them with other Poser Python scripts?  To close the script, use the Quit button, at the bottom of the GUI.  If that works for you with TDMT, it should work with this.  I'll need to know more about what these options do before I can comment further on them...?

Thanks for the help and feedback,. BTW.  And I like your new avatar (is the flower-clown retired?).

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.