I will only talk from personal experience, I use kaspersky currently, I have used AVG, Avira, Avast and also Bitdefender, and I have found bitdefender to find more threats. Yet at same time as long as you keep for at least 2 months those threats in quarantine you will find that bitdefender will alert to many of those extra catches were false postives after updates. At work although this was sometime back when they used Trend Micro, which was so useless to the point I wanted to take an advert out because most companies my side of the world were using it and boy what a piece junk. I managed to talk my boss into allowing me to run AVG on my work pc to prove Trend Micro is not a trend setter and I was right AVG got all PCs working at full...