Normally, I am good about disabling open vulnerabilities like thisĪnd not being a total airhead with Windows 10, but alas the Creators Update got me again. I mean who knows how long I've been walking around with this projection feature turned on. Hotspot (password protected or not) to my entire neighborhood before I suffered the consequences. It's a good thing I was able to find out why the hell my PC was broadcasting a Wi-Fi This laptops current hardware), Remote Desktop (do I even need to give a reason why?), and everything else in the System section I never use that is a huge security hole. Things like: Shared Experiences (which is supposed to mimic Apple's handoff feature for iOS and MacOS), Projecting to this PC (which isn't even supported on I actually was able to self-troubleshoot by disabling settings that I don't normally use on this PC. I didn't bother with the command line syntax the other user posted before I scrolled down and read this first. I created an account just to upvote this as well, and to let another poor soul with this exact problem find the CLEAR answer on this thread.
Settings -> Projecting to this PC -> set to "Always OFF"
There IS a GUI for turning this on and off:
WiFi-DIRECT SID broadcasts are an artifact of allowing the PC to be projected to.