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If you like me at work have a domain administrator that has gotten out of hand implementing rules about everything he can set on a domain level with policies.
You might need to be able to reset how Windows updates work.
My domain admin has decided no Windows updates are needed at all ever.
I don't agree to that so I made a registry hack to reset it to my likings.
Here is a registry file with loads of explanation inside to let you set up Windows update just like you want to have it.
This hack is made for Windows 7 ONLY!

Windows Registry Editor Version 5.00 ; These keys are to change how Windows update operates in Windows 7 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU] ; This first key determents if to use local WSUS server or Windows update server ; 1 is local WSUS and 0 is Windows update server (default=0) "UseWUServer"=dword:00000000 ;If this key is set to 1 Windows update will not even check for updates. (default=0) "NoAutoUpdate"=dword:00000000 ;This is to determent in what way you want updates. ;A value of ;2 indicates that the agent should notify the user prior to downloading updates. ;3 indicates that updates will be automatically downloaded and the user will be notified of installation. ;4 indicates that updates should be automatically downloaded and installed according to a schedule. ;(For this option to work, the ScheduledInstallDay and ScheduledInstallTime keys must also be set.) ;5 indicates that automatic updates are required, but can be configured by end users. "AUOptions"=dword:00000003 ;This key can be set to a value of either 0 or 1. (This doesn't exist by default) ;0, then minor updates are treated just like any other update. ;1, then minor updates are silently installed in the background. "AutoInstallMinorUpdates"=dword:00000000 ;Only if option 4 is chosen above (These doesn't exist by default) ;  Scheduling Installations ;  I have talked a lot about scheduled installations, ;  but I want to show you one last trick. ;  You can use the registry to set the installation schedule. ;  There are two registry keys that are used when scheduling an update. ;  The first of these keys is ScheduledInstallDay. ;  I recommend assigning this key a value of 0 which tells Windows that updates ;  should be installed regardless of what day it is. ;  You can however specify a day by specifying a positive integer ranging from 1 to 7. ;  The number that you specify designates a day of the week. ;  A value of 1 sets the installation day to Sunday. ;  Setting the value to 2 sets installation day to Monday. ;  If you are going to limit installations to one day a week, ;  then I recommend using Wednesday since most Microsoft patches are released on Tuesday. ; ;  The ScheduledInstallTime key. ;  This key tells Windows what time of day updates should be installed. ;  Valid values for this key are positive integers ranging from 1 to 24, ;  which reflect the hour of the day in military time. As such, ;  a value of 3 would reflect a 3:00 AM installation time. ;  A value of 13 would be a 1:00 PM installation time. ;[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] ;"ScheduledInstallDay"=dword:00000000 ;"ScheduledInstallTime"=dword:00000000

If a value you want to change in my file have a " ; " infront of it (without the " hyphens) then remove the hyphen and it will be set when you run the registry file.
To edit a registry file, just open it with notepad or any other plain text editor, NOT Word or Wordpad or other wordprocessors.

Meaning

;[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] ;"ScheduledInstallDay"=dword:00000000 ;"ScheduledInstallTime"=dword:00000000

Would be

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] "ScheduledInstallDay"=dword:00000000 "ScheduledInstallTime"=dword:00000000