Code:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoActiveDesktopChanges"=hex:00,00,00,00
"NoActiveDesktop"=dword:00000000
"NoSaveSettings"=dword:00000000
"ClassicShell"=dword:00000000
"NoThemesTab"=dword:00000000
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"NoDispAppearancePage"=dword:00000000
"NoColorChoice"=dword:00000000
"NoSizeChoice"=dword:00000000
"NoDispBackgroundPage"=dword:00000000
"NoDispScrSavPage"=dword:00000000
"NoDispCPL"=dword:00000000
"NoVisualStyleChoice"=dword:00000000
"NoDispSettingsPage"=dword:00000000
"NoDispScrSavPage"=dword:00000000
"NoVisualStyleChoice"=dword:00000000
"NoSizeChoice"=dword:00000000
"SetVisualStyle"=-
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop]
"NoChangingWallPaper"=dword:00000000
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\ThemeManager]
"ThemeActive"="1"
"DllName"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,72,00,65,00,73,00,6f,00,75,00,72,00,63,00,65,00,73,00,5c,\
00,54,00,68,00,65,00,6d,00,65,00,73,00,5c,00,6c,00,75,00,6e,00,61,00,5c,00,\
6c,00,75,00,6e,00,61,00,2e,00,6d,00,73,00,73,00,74,00,79,00,6c,00,65,00,73,\
00,00,00
pasted into notepad, save as 'whatever.reg' and then run it... you may have to tweak it a bit for vista, im not sure.