Still unsuccessful w/Blender Win 64...

[bluecd]

Auto_Save: (...)\....../auto_saves\sussita01_013.png
Traceback (most recent call last):
  File "D:\Blender Foundation\Blender\2.70\scripts\addons_contrib\render_auto_sa
ve.py", line 98, in auto_save_render
    rndr.image_settings.file_format = original_format
AttributeError: Writing to ID classes in this context is not allowed: Scene, Sce
ne datablock, error setting ImageFormatSettings.file_format

[Ondra]

moved to correct section

[ohsnapitsjoel]

Auto_Save: (...)\....../auto_saves\sussita01_013.png
Traceback (most recent call last):
  File "D:\Blender Foundation\Blender\2.70\scripts\addons_contrib\render_auto_sa
ve.py", line 98, in auto_save_render
    rndr.image_settings.file_format = original_format
AttributeError: Writing to ID classes in this context is not allowed: Scene, Sce
ne datablock, error setting ImageFormatSettings.file_format

There's a whole section on the forum dedicated to Corona and Blender.  You can post errors there.  :)