@echo off

> "C:\WindowsUpdateChange.reg" ECHO Windows Registry Editor Version 5.00
>> "C:\WindowsUpdateChange.reg" ECHO.
>> "C:\WindowsUpdateChange.reg" ECHO [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update]
>> "C:\WindowsUpdateChange.reg" ECHO "AUOptions"=dword:0000000x
>> "C:\WindowsUpdateChange.reg" ECHO "ScheduledInstallDay"=dword:0000000x
>> "C:\WindowsUpdateChange.reg" ECHO "ScheduledInstallTime"=dword:000000xx
regedit /S C:\WindowsUpdateChange.reg
del c:\WindowsUpdateChange.reg



rem  INSTRUCTIONS

rem  Save this file and rename it to a .bat file.  Change the 'x's in the fields to configure 
rem  your windows updates to run at the desired time.  A description of each field is as follows:
rem  
rem  AUOptions:
rem       The AUOptions line looks like this: "AUOptions"=dword:00000004
rem       The last digit is the number that you need to configure.  By putting a 4, like it is shown
rem       above, you are configuring your machine to use Automatic Update.  If you put a 3, that sets the option
rem  	  to "Download updates for me, but let me choose when to install them."
rem       A 2 means "Notify me but don't automatically downoad or install them.
rem 	  A 1 means "Turn off Automatic Updates"
rem 
rem  ScheduledInstallDay:
rem       The ScheduledInstallDay line looks like this:  "ScheduledInstallDay"=dword:00000001
rem       The last digit is the number that you need to configure.  This represents the day of the 
rem 	  week that you would like automatic updates to run.  The number 1 represents Sunday; the number 7 represents
rem   	  Saturday with all of the numbers in between matching the corresponding day of the week.
rem       The number 0 represents "Every day".
rem   	  This is only relavent if you have a 4 in the AUOptions field turning on Automatic Updates.     
rem 
rem  ScheduledInstallTime:
rem  	  The ScheduledInstallTime line looks like this: "ScheduledInstallTime"=dword:00000013
rem	  The last two digits of this line configure the hour that Automatic Updates will run.  
rem 	  This field is in a special format known as Hexidecimal.  The times and there corresponding number are shown below.
rem	 	Midnight  - 00000000			      Noon - 0000000C
rem 		1:00 a.m. - 00000001			 1:00 p.m. - 0000000D
rem	 	2:00 a.m. - 00000002			 2:00 p.m. - 0000000E
rem 		3:00 a.m. - 00000003			 3:00 p.m. - 0000000F	
rem	 	4:00 a.m. - 00000004			 4:00 p.m. - 00000010
rem 		5:00 a.m. - 00000005			 5:00 p.m. - 00000011
rem	 	6:00 a.m. - 00000006			 6:00 p.m. - 00000012	
rem 		7:00 a.m. - 00000007			 7:00 p.m. - 00000013
rem 		8:00 a.m. - 00000008			 8:00 p.m. - 00000014	
rem	 	9:00 a.m. - 00000009			 9:00 p.m. - 00000015
rem 	       10:00 a.m. - 0000000A			10:00 p.m. - 00000016
rem 	       11:00 a.m. - 0000000B			11:00 p.m. - 00000017