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Norton Internet Security runs on your computer all the time so that your protection level never drops. This award winning program has four layers of protection, each one is designed to support the other so that your computer has the most thorough and trusted protection available. Threat that are deep inside your computer will be found, they will be removed and your computer will be taken care of.
防毒软件，用来保护及移除您电脑上的威胁
