The use of a variety of anti-virus software that is the only one of this threat defense makes me feel very good, before my machine is always a while. The reaction is very slow, I have to give the machine to do a comprehensive anti-virus, results every time because this thing I wasted a lot of time, and later overheard others this is a threat defense very good, in the installation after what is not, because the threat defense can automatically in the background of the virus like, I also don’t believe when others say that, but now I have to believe, because since the installation of the threat defense I have never personally like antivirus, but my machine has since then did not appear the problem of slow response of the.