Do your Windows Updates , yes i know you have automatic turned on but you need to check for the optional ones on a regular basis.
You can find Windows Update in the Control Panel of all Windows operating systems
Update your software , Adobe Reader / Adobe Flash and if you use Java , that to. In fact if you can get away with not running Java , uninstall it.
Stop installing drive – by software , if you are installing a new version of Adobe you don’t need the McAfee Security Scanner , take the tick out and just install Adobe.
Stop installing toolbars that may enhance your browsing experience , they won’t , and most will install malware in the background
Do not install any program that promises to speed up your pc , speed up your internet , clean up your pc . They do not work.