I am using Avira Anti-Virus Personal Edition (free edition) , Zone Alarm , Spybot -Search & Destroy, and Windows Defender. Avira im using to get rid of viruses, Zone alarm for a firewall, and spybot and windows defender for spyware. I am currently running on windows xp. If i use all these programs to protect my computer will it slow down my computer? are these programs good enough to protect my computer? and lastly, what are the best combinations of internet security that i should use?

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I am running WindowsXP w/sp2 and having lots of problems & was wondering if there is such a thing as too much protection on a computer. I have the original firewall but I am also running; Windows Defender, Windows Antispyware, Errordoctor, Errorkiller, AVG, & Spybot Search and Destroy. I keep having all kinds of problems & was wondering if I am sending conflicting instructions by having so many scans. If I do have too many which ones should I keep?

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I have sooo many programs, and it is really slowing down my pc. I know I need to weed out some, but I’m unsure of which I need to keep versus clean out. I want to keep Spyware Doctor for sure. Which of these should I keep along with that?
Also, is there anything that is wonderful (and hopefully free) that I should add/ get instead?

Current Programs:
Spyware Doctor 6
Spybot Search & Destroy
Ad-Aware
Avast! Home Edition
Peer Guardian 2
Malwarebytes
AVG Free 8.0 -(expiring in 3 days)

(I also have Windows Defender which is currently turned off, HijackThis and CCleaner which I’ll keep all 3 of these)

Thanks for the advice!

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