The internet recently has been full of warnings about the new "Anniversary Edition" of Win 10 coming to your PC soon. MS has set Win 10 Home version users up for uncontrolled automatic updating, and you may want to turn this "feature" off and get back in control of your updates.
FYI the new edition is version 1607 (Settings | System | About )
Most of us should now be running version 1511
Here is an article about some of the problems with the new edition
Here is an article that explains how to turn off automatic updating (all Win 10 updates)