Hi all, I currently use Avira Antivir Classic (so without any spyware/adware protection) and I would like to have an app against them. I'm looking for a program with a real-time protection, low on resources and of course effective ! I restrict my choice to a few programs, namely AVG Antispyware and Counterspy v2. Which one would you recommend ? Thanks for your help, Cheers P.S : I use Firefox/Thunderbird and XP Pro SP2.