and then u'ill see the window like this
then just change the option from "Install updates automatically(recommended)" to "Never check for updates(not recommended)" in the Top drop down list then remove the tick from "Give me recommended the same way i receive important update" & "Allow all users to update on this computer" check boxes.
Like u can see in the below image
but if still your windows will update automatically and shows the error that your windows is not genuine then you have to follow the cure and for doing thiswhat you have to do just Download a software named Windows 7 loader .To download this software just go in our hacking tools webpage and after downloading this software extract it.You can extract this software by winrar and if you don't have winrar then you can download it from our website's Free software page .After extracting this open the Windows Loader.exe and install it after installing restart your computer and after restarting your computer you will see the genuine problem is gone and your windows is activated and registered so do it and enjoy.
Note:- This trick will mainly work in Windows 7(32-bit) operating systems