Which Anti Virus your used.

[annarex]

Bitdefender

[TomSwe]

MS Security Essentials does the job for me! + It's free

[soma66]

Microsoft Security Essentials. Seems to work good and doesnèt take up a lot of resources

[Donm3ga]

Bitdefender

[Raus]

f-secure client security

[Howie666]

I use AVG but to be honest it's too intrusive and gives me tons of false positives. Foes anyone recommend a better antivirus? I read that the time between a PC getting connected and the first virus/hack is in a matter of seconds...

[dix]

avast

[dson78]

Eset x64, no issues so far and doesn't bog my system down.

[onsi]

I use Avira it's a free version. Been doing great with it so far!

[L242L]

I've used NOD32 and Bitdefender. They're both lightweight and effective.