What you can do is installing "Advanced system care pro 7 or ultimate". This will scan for errors or things that slows down your computer performance and startup - even updates. Download: http://www.iobit.com/advancedsystemcarepro.php (official site)
Take my advanced system care pro 7 key: C5381-80DD2-B0C44-CD9B4
Take my advanced system care pro 7 key: C5381-80DD2-B0C44-CD9B4