Antivirus Firewall Software

I have Pentium M 1.7 with 256 mb of ram i try nortrom system works and mcafee internet security 07 but both use most resources of my system results in the very slow speed of system. which antivirus is best for my system i have only threat from internet which i use through a modem.

I’m pretty sick and tired of Norton Internet Security. It’s always running and slowing down my laptop. How likely is it that a hacker will get into my computer if I don’t have any firewalls or a virus will mess up my files if I don’t have an antivirus software?

AVG8 won’t install, it keeps coming up failed to install. I previously used Norton 2008 but it expired yesterday. Currently using Avira Antivirus but I just don’t think it suits me, it also uses alot of CPU. Any help on how to fix my problem with AVG or a really good free Antivirus would be great.

I just bought a new computer and I want some FREE availalble anti virus or internet security software. What kind of software absolutely keeps my computer safe and where do i download it from the internet?

i had just install into my system i want to know it performance like will it able to catch virus over all how is this kasper internet security software i had busy full year c.d please tell how is this antivirus software i am using vista o.s will it make my system slow r not please tell me

Is there any antivirus or internet security software in linux operating system?

Im looking for super security software to buy and i need your opinion ?
What do u think about Zone Alarm Internet Security , BitDefender Total Security , Avast or AVG .

norton antivirus or the shield pro

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I want the best Anti virus, Anti Spyware and Internet security in one package that completely protect my PC against any threat or virus and should not let my PC slow or does not effect my PC’s responsiveness.
Kindly help