Bueno, Revisa estos otros por no dejar:
[HKEY_LOCAL_MACHINE\SOFTWARE\OEM\MASD]
"DisableAutoLock"="1_11_0_0"
[HKEY_LOCAL_MACHINE\Security\DeviceLock]
[HKEY_LOCAL_MACHINE\Security\DeviceLock\Skin]
[HKEY_LOCAL_MACHINE\Security\DeviceLock\Skin\Simple PIN]
[HKEY_LOCAL_MACHINE\Security\DeviceLock\Skin\Simple PIN\Landscape]
"BackgroundImg"="\\Windows\\PWLock_PinScreenBackgr ound_L.png"
"ButtonDownImg"="\\Windows\\PWLock_button_dn_L.png "
"ButtonTextFontColor"=dword:00000000
"ButtonTransparencyLevel"=dword:00000001
"ButtonUpImg"="\\Windows\\PWLock_button_L.png"
"ButtonZeroDownImg"="\\Windows\\PWLock_buttonZero_ dn_L.png"
"ButtonZeroUpImg"="\\Windows\\PWLock_buttonZero_L. png"
"PinEditBoxType"=dword:00000000
"TextFontColor"=dword:00ffffff
[HKEY_LOCAL_MACHINE\Security\DeviceLock\Skin\Simple PIN\Portrait]
"BackgroundImg"="\\Windows\\PWLock_PinScreenBackgr ound.png"
"ButtonDownImg"="\\Windows\\PWLock_buttonD.png "
"ButtonTextFontColor"=dword:00000000
"ButtonTransparencyLevel"=dword:00000001
"ButtonUpImg"="\\Windows\\PWLock_button.png"
"ButtonZeroDownImg"="\\Windows\\PWLock_buttonZeroD .png"
"ButtonZeroUpImg"="\\Windows\\PWLock_buttonZero.pn g"
"PinEditBoxType"=dword:00000000
"TextFontColor"=dword:00ffffff
[HKEY_LOCAL_MACHINE\HARDWARE\OEM\KEYBD]
"KeyLock"=dword:00000001
[HKEY_LOCAL_MACHINE\Comm\Security\LASSD\AE\{407750E C-26CE-4BE3-8071-8BFEC57241D8}]
"AEFrequencyType"=dword:00000000
"AEFrequencyValue"=dword:00000000
"DisplayText"="Shell Lock"
"FriendlyName"="Shell Lock"
[HKEY_CURRENT_USER\ControlPanel\Keybd]
"DefaultKeyLock"=dword:00000001
"DeviceLockWhenSuspend"=dword:00000001
[HKEY_CURRENT_USER\ControlPanel\BackLight\LockLevel]
"LockLevel"=dword:00000000
[HKEY_CURRENT_USER\ControlPanel\BackLight]
"AutoDeviceLockEnable"=dword:00000000
"AutoDeviceLockTimeout"=dword:00000005