Disable automatic driver updating windows 7
First, in the middle of the screen, it tells you if there are any "important", "recommended" or "optional" updates.
There are a number of other options in this screen.
If your kids use the computer or someone who you don't trust fully, you can uncheck this box so that only you can control the Windows Update behavior. This may cause confusion, since "Microsoft Update" and "Windows Update" may sound like the same thing.
The difference is that Microsoft Update goes beyond just Windows, to update other Microsoft software you might have, like Microsoft Office.
The main one you will need here is "Change settings." This is where you change Windows Update options.
Click the Change settings button to bring up the above window.