The computer does not know how, particularly severe recent card, our friend said to me you want to look at your computer with a threat software like defense, I said that I do not know after the installation of threat defense software will have what kind of result, my friend said you can rest assured well, we all have installed threat defense to a lot of people, so that you can rest assured that with you, I a lot of time on your computer has its own insist on anything, because I think it is not you don’t use it, there will be such a problem, but that is not the case, computer what also has its own life, we don’t need to think so much.