Another 2 bubbles to burst First, cmdlines.txt will be run if it exists. No uA install, no OEMpreinstall values needed. Just make a $OEM$ folder and put cmdlines.txt in it and it will work straight out. Second, cmdlines is executed at T-12. If you'd like to know, its a fact that if at all you applied regtweaks at T-9, there's NO way it will stick. @BeenThereB4 Hmm.... so what is it you have to do to have unattended *AND* F6 drivers as well?