You could try this (or make your own ryzom-specific tool from it):
http://blogs.msdn.com/b/delay/archive/2009/09/30/give-your-comput er-insomnia-free-tool-and-source-code-to-temporarily-prevent-a-ma chine-from-going-to-sleep.aspx
Easiest way will be to make a .cmd or .bat file that will launch both and ryzom and this application.
P.S.: beware of auto-added spaces in this forums: change 'comput er' to 'computer' and 'ma chine' to 'machine'.
http://blogs.msdn.com/b/delay/archive/2009/09/30/give-your-comput er-insomnia-free-tool-and-source-code-to-temporarily-prevent-a-ma chine-from-going-to-sleep.aspx
Easiest way will be to make a .cmd or .bat file that will launch both and ryzom and this application.
P.S.: beware of auto-added spaces in this forums: change 'comput er' to 'computer' and 'ma chine' to 'machine'.