Re: "A Close Call Gromit!"
If you want to make sure you've excised all the Windows 10 crap from your system, you might want to go into Windows Update/Installed Updates and uninstall and hide the following updates if they're present:
KB2505438
KB2670838 (Windows 7 only)
KB2952664
KB2976978 (Windows 8.x only)
KB3021917
KB3035583 (This is the bastard that puts that "Upgrade to Windows 10" icon in your systray)
KB3075249
KB3080149