Your processor doesn't have NX turned on or might not support NX
Setup will attempt to turn on NX during installation. If your processor doesn't support NX, the installation will be cancelled and your PC will roll back to the current OS.
sempoi pakai win 8 ni. cuma kalu nak shutdown masa kita kat desktop style tu.. agak susah la.. sbb ada step2 utk pi ke shutdown menu tu. search google.. jumpak shortcut key utk shutdown. sonang joo... Alt + F4.