As we are concerned these days on mostly security as most of our phones get damaged due to the viruses which attack it. And so I am more concerned to the security of my mobile as its new and I do have memory card which is virus prone and make use of phone to access the net by means of PC. So I just installed an antivirus which I suppose is a good one and after installing antivirus, it has seen that my mobile phone seems to malfunction at times. So can you suggest some means in which I am able to get rid of this and have a a virus free mobile all the time. Please assist me in my case.