quick heal

yo i am raj ,going to tell about best anti-virus ,good for every pc 1.Quick heel:lightning: 2.Guardian 3.Bit defender 4.Net protector 5.Kaspersky Best on the top to least at the bottom (approved by the experiment)

Hello friends, I am new to this forum. I have HP Pavilion dv6-2150us, owning since Jan 2010. Recently I have started facing this weird problem. When I switch ON my laptop, for the first 10-15mins the CPU usage constantly remains between 80 and 100% and after 15mins, it comes to normal (0 - 50%)...