That is, it is impossible to write a computer program that will identify correctly whether an arbitrary program is a virus, a worm, etc. - no matter how much computing power is thrown at the problem.

也就是说，我们不可能编出一个计算机程序，让它正确地鉴别某任意的程序是不是一个病毒、蠕虫之类—无论你为解决这个问题拼上多少计算能力。

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In order to prevent the Trojan invasion, the computer to install and update anti-virus software upgrade, not open the unknown email, no computer access to the internet.

为防止木马侵入，计算机要安装杀毒软件并及时更新升级，不随意打开不明电子邮件，严禁将涉密计算机接入互联网。

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No medicine can cure a computer virus.

没有药能治电脑病毒。

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While surfing on Google or Yahoo, spyware or a computer virus is automatically and invisibly downloaded on a computer, requiring no user interaction for the computer to be infected.

CNN: Facebook, Twitter crooks just a click away

Remember that no legitimate anti-virus company will perform an unsolicited scan of your computer and ask for payment to correct issues identified.

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