for EMC 9 I use "setup.exe /qn RX_EULA_ACCEPTED=1 Reboot=ReallySuppress ROX_KEYTEXT="XX-XXXXX-9XXXX-XXXXX" ADDLOCAL=ALL REMOVE=GoogleToolbar,SightSpeed,MediaManager,MediaCapture,DivXCreator,PhotoSuite,VideoWave,AudioCapt ure,SoundEditor,VirtualDrive,RoxioCentral," I install all components and nex I remove unnecessary components.