It shouldn't be that hard to fix.
Manually check for updates, and in the window where it lists the available updates, determine which one is updating his video driver.
Right-click on that update and select "Hide Update". The update is lightened slightly.
Next time you run the updates, it won't appear. This should remain in effect when you set the updates back to Automatic as well.
I keep it set to "Check for updates but let me choose whether to download and install them." I feel it's a little more control as I've had similar issues with automatic updates through many versions of Windows.