This disables all notifications. Code: reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings" /v "NOC_GLOBAL_SETTING_TOASTS_ENABLED" /t REG_DWORD /d "0" /f You can also try unchecking all of those, maybe then it will not care anymore, though I doubt it.
I dont know if its in w10 build no whatever or not but it wouldnt hurt to have a look incase would it. Besides, he may find some things in there to his advantage.
If it works, be good and write here that it tested and works. Then all will know and can later use this method. I say, because I haven't tested yet.