i mean, here some examples HKCU,"Control Panel\Accessibility\HighContrast","Flags",0x00000002,"126" HKCU,"Software\Microsoft\Windows\CurrentVersion\Explorer\SmallIcons","SmallIcons",0x00010003,0 HKCU,"Control Panel\Appearance\Schemes","%BRICK%",0x00030001, You can every line has a x command with some zero. Like 1st line has: 0x00000002 2nd line has: 0x00010003 3rd line has: 0x00030001 so, can you explain me now?