Hi, I found this: on Win98 start /w RUNDLL32 advpack.dll,LaunchINFSection nvautlml.inf,DefaultInstall and on Win2k/XP/2K3: start /w RUNDLL32 advpack.dll,LaunchINFSection nvautlml.inf,DefaultInstall.ntx86 the nvautlml.inf is in the AudioUtil Folder Enjoy! Younes