well i tried all what i found on search, but the windows theme keep being the win boring classic theme. heres my royal.them file : ; Copyright © Microsoft Corp. 1995-2001 [Theme] DisplayName=Royale ; My Computer [CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\DefaultIcon] DefaultValue=%SystemRoot%\explorer.exe,0 ; My Documents [CLSID\{450D8FBA-AD25-11D0-98A8-0800361B1103}\DefaultIcon] DefaultValue=%SystemRoot%\SYSTEM32\mydocs.dll,0 ; My Network Places [CLSID\{208D2C60-3AEA-1069-A2D7-08002B30309D}\DefaultIcon] DefaultValue=%SystemRoot%\SYSTEM32\shell32.dll,17 ; Recycle Bin [CLSID\{645FF040-5081-101B-9F08-00AA002F954E}\DefaultIcon] full=%SystemRoot%\SYSTEM32\shell32.dll,32 empty=%SystemRoot%\SYSTEM32\shell32.dll,31 [Control Panel\Cursors] Arrow= Help= AppStarting= Wait= NWPen= No= SizeNS= SizeWE= Crosshair= IBeam= SizeNWSE= SizeNESW= SizeAll= UpArrow= DefaultValue=Windows default DefaultValue.MUI=@themeui.dll,-2043 [Control Panel\Desktop] Wallpaper=%Systemdrive%\Windows\Web\Wallpaper\NewBliss2.jpg Wallpaper.MUI=@themeui.dll,-2036 TileWallpaper=0 WallpaperStyle=2 Pattern= ScreenSaveActive=0 [VisualStyles] Path=C:\Windows\Resources\Themes\Royale\Royale.msstyles ColorStyle=NormalColor Size=NormalSize [boot] SCRNSAVE.EXE= [MasterThemeSelector] MTSM=DABJDKT ThemeColorBPP=8 heres the part on the winnt.sif about the SHELL : [Shell] CustomDefaultThemeFile = "%Systemroot%\Resources\Themes\Royale.Theme" DefaultStartPanelOff = Yes DefaultThemesOff = No what shall i do? not even the luna theme applies, just the windows classic theme!! thanks all.