If you installed the big 'Build 1511' update for Windows 10 – there's a good chance many of the privacy and application default settings got reset to 'All Microsoft All The Time'. While MS says they are working to restore the user settings they overwrote, you may want to check yourself – http://arstechnica.com/information-technology/2015/08/windows-10-doesnt-offer-much-privacy-by-default-heres-how-to-fix-it/