We suggest automatic updates are typically a good thing and I recommend leaving them on in general. As such these methods should primarily be used for preventing a troublesome update from automatically reinstalling or stopping a potentially troublesome update from installing in the first place.
Stop the Windows Update Service
As central as it is to the core of Windows 10, Windows Update is actually just another Windows process so it can be stopped with these simple steps:
Step 1 -- -- -- --
Step 2 -- -- -- --