One, called Eliza (short for e-lizard), uses a computer program to fix problems occurring on e-servers that would otherwise require a human being watching the system.

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My teenage son has been staying up until one and two in the morning to finish his homework , and then falling asleep in class the next day.. Thank goodness he recently came up with a possible fix: SelfControl, a free app he has installed on his computer.

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In a cunning twist by the virus writers, an e-mail in wide circulation that purportedly offers a "fix" for the Sasser worm actually infects the user's computer with a different virulent worm, known as Netsky-AC.

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When you find out that your Kryptonite bike lock can be opened with a Bic pen or that a bug in Java lets malicious websites take over your computer, the fix is in your hands: You send in your lock for a replacement or disable Java in your browser.

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In a Thursday afternoon presentation titled "Hacking Capitalism" at the Black Hat conference, a gathering of computer security experts, they detailed weaknesses in applications using Financial Information eXchange Protocol, or FIX, a common language used in communications between banks and commercial markets.

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He's also doing a European Computer Driving Licence course, learning how to build and fix PCs.

BBC: NEWS | UK | Downward spiral led to prison