Turn Off Automatic Updates in Windows 7
When you finished windows 7 installation, the default setting about updates is Every day, in fact, if you are using a mobile network (3G/4G), you may do not like these updates because of the potential traffic wasting. So we need to close automatci updates in windows 7, or change the default updates internal.
1. Click Start > Control Panel > System and Security > Turn Automatic updating on or off
2. Select Never check for updates (not recommended) in the options.
3. Press OK to take effect.
Or, you can also get the same window by: Click Start, type "update", then click "Windows update", Click "Change Settings" in the left pane.