FileBot

Fresh installed from Windows Store, on Win10/64bit.
crashes without any dialog, when
* Pressing the "Load" button under left pane,
* In the history dialog, pressing "change directory"

The easiest way around file dialog issues would be to use drag-n-drop instead. That way you never have to click the Load button, and you'll save time navigating the file dialog.

I think this thread here is about the same issue, and there's a few workarounds if you prefer file dialogs over drag and drop:
viewtopic.php?f=10&t=4942