Microsoft security essential not doing good job of protecting computer. Why?

Microsoft itself is not professional in the area of computer security, so how can its security essential to be very good? You need to choose some other tools.a href="http://www.colasoft.com/capsa/?prid=06080001" rel="nofollow"http://www.colasoft.com/capsa/?prid=0608…/a may be helpful.