Should I use spyware doctor or ad aware with kaspersky for extra protection of my laptop? I am not fully confirm ; kaspersky is working properly or not.I mean some webpages like adultfinder.com etc automatically opens whenever I serf the net.how can I stop that? I am not fully confirm ; kaspersky is working properly or not.I mean some webpages like adultfinder.com etc automatically opens whenever I serf the net.how can I stop that?would it affect the performance as i have heard ;using more than one security software is harmful for laptop.