http://wiki.blender.org/index.php/Dev:2.6/Source/Render/Cycles/Standalone

<< Cycles needs to be started from a terminal: cycles [options] file.xml

How have this terminal ?>> My script can have problems with special characters in the paths
(sure French Windows System alas has some accents... :)

Where is your script ???
I don't see it in your post!!!
http://moi3d.com/forum/index.php?webtag=MOI&msg=7208.16