in the background with one click. My syntax, ever since XSI v5 or 6 was:
xsi -render path_to_scene_with_backslashes\ myscene.scn -pass passNameNow, there is no joy, and I am not sure why. (Besides it is Friday and I will be working all weekend)
Win 7 XSI 2013 and 2012 installed. Thank you, -Robert