Now the question is how

I highly suggest that everyone stick to a regularly scheduled maintenance program for their computer. How frequently this needs to be done is dependent on how much you use the internet ?the source of all of the spyware, viruses, browser hijackers, cookies, pandora jewelry temporary internet files and other malware that can affect your computer's performance. I maintain my work computer weekly, but this may not be necessary if you do not spend forty plus hours a week on your computer. My second computer that is not used but a few hours a week is only maintained monthly at best.