Glitch in antivirus software troubles PC users

(AP) -- Antivirus software cuts two ways. It's great at blocking known viruses, but it can sometimes misfire, mistakenly flagging clean files as malicious. That sends a computer into a tailspin trying to clean up stuff that's ...

Huge computer worm Conficker stirring to life

(AP) -- The dreaded Conficker computer worm is stirring. Security experts say the worm's authors appear to be trying to build a big moneymaker, but not a cyber weapon of mass destruction as many people feared.

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