We're all aware when Windows 10 does one of its rather frequent updates. But I've just discovered it gets up to other tricks without telling you. Earlier this evening I had a suspicion it was up to something. Checking in Control Panel / Security and Maintenance and under Maintenance checking View Reliability History I found this:
I don't use any of the Apps, or at least I'm not aware that I do. I didn't even know I had them!