This article will explain how to disable automatic updates in Windows 7. 

Disable Automatic Updates in Windows 7

To disable the Windows Search feature, click on Start > Run and type 

services.msc

. 

In the window that opens, look for the Windows Update entry in the the right pane. 

Double click on Windows Update. In the window that opens, click the Stop service option, and then set the startup type as Disabled: 
Click on OK to validate.