if you looking for a best computer virus scanner, well the answers is none.

"Computer virus":
first "computer virus" is a program/software written by some programmer, mainly in 3 type network(sending/getting information), file(write/read file), control(open/close application), however "Computer virus" alway is base on file. In average every 15min have a new "computer virus" created at some part of the world.(that why sometime anti-virus company need pay the virus creator for getting the coding)

"computer virus scanner":
how "computer virus scanner" work? well as i said before virus base on file, so "computer virus scanner" fisrt will keep checking the file system to see any change then will depending on the code library(just a temp of the virus code) checking any close then by info the user & delete it.

so, "Computer virus scanner" is depending on the code library size & up-today of the code. to be a good scanner.

my advice is don't download any unknow file especially end with xxx.exe(sometime programmer will named xxx.yyy_.exe) since all the virus is base on file. overall youself is the best virus scanner for you computer.....remember does't matter how good is your "Computer virus scanner" but it can't stop you installing a virus!

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