Because I do not understand, so I can not solve this simple problem, but with the help of my friends, I will soon be resolved this problem. These days, I do not know how the computer, I use is really very uncomfortable, then I picked up, or not, I will make friends to help, then give me a friend to give the threat defense installed on the computer, he said that the threat defense can be solved this all my questions, just after the threat defense installed, I tried it, I found the problem before are not, it makes me feel that the knowledge is really too little, after a time, I have to learn some of this so the problems of knowledge, I also know what to do.