I think this is not what I said. First of all I was not giving a policy. Secondly I myself use anti-virus and I nowhere said that you don't need to use one. Thirdly I was not talking about daily updates but the new version that are mostly launched annually.

I don't know whether you have a Computer Science background or not. Anyhow let me elaborate a bit. I was referring to logic bombs and trap doors. Logic bombs that are triggered by a date or event are most common form of viruses that the service providers use in order to raise need for switching to the newer versions. Trap doors are another example here. No one knows the package better then who created it. They are in ultimate control. You just have some files and features. Even MS is suspected in this regard!

I haven't experienced any viruses within the download package but what I was to convey is, mostly anti-virus companies are the originators of viruses. This is the business they are in! Software are expensive and writing sophisticated programs(viruses) that fail the entire software packages (OS, anti-virus etc) is not something that a person sitting somewhere is doing or can do for fun or adventure.

Moreover as you yourself mentioned if it is reported, so what if it isn't? Nothing is ultimate in Computer World. We have techniques then counter-techniques then counter-counter-techniques then counter-counter-counter-techniques and it goes on . Google will certianly use a program to identify such virusus but what if they can by-pass that program?

I wasn't negating what anyone else said that was just for others' awareness.

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"Life is either a daring adventure or nothing."
Helen Keller