Windows Update Enable:

Windows Registry Editor Version 5.00

; Created by: Shawn Brink
; http://www.sevenforums.com
; Tutorial:  http://www.sevenforums.com/tutorials/88554-windows-update-enable-disable-access.html


[HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesWindowsUpdate]
"DisableWindowsUpdateAccess"=-
"DisableWindowsUpdateAccessMode"=-

[HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer]
"NoWindowsUpdate"=-

--------------------------


Trusted Installer Module to Show in Services (Windows Modules Installer):

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesTrustedInstaller]
"BlockTime"=dword:00002a30
"BlockTimeIncrement"=dword:00000384
"PreshutdownTimeout"=dword:0036ee80
"DisplayName"="Windows Modules Installer"
"Group"="ProfSvc_Group"
"ImagePath"=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,00,73,00,65,00,72,00,76,00,69,00,63,00,69,00,6e,00,67,00,5c,
  00,54,00,72,00,75,00,73,00,74,00,65,00,64,00,49,00,6e,00,73,00,74,00,61,00,
  6c,00,6c,00,65,00,72,00,2e,00,65,00,78,00,65,00,00,00
"Description"="@%SystemRoot%\servicing\TrustedInstaller.exe,-101"
"ObjectName"="localSystem"
"ErrorControl"=dword:00000001
"Start"=dword:00000003
"Type"=dword:00000010
"ServiceSidType"=dword:00000001
"FailureActions"=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,
  00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

---------------------------
C:WindowsservicingTrustedInstaller.exe

If  file missing, Copy File from another computer and :
C:Windowsservicing

The directory must be owned by Administrator (CMD):
takeown /f c:windowsservicing
icacls c:windowsservicing /grant administrators:F