By Paul Vigna

This past year wasn’t the year everybody realized computers have taken over trading; that honor will forever belong to 2010 and the infamous flash crash. But this year may be remembered as the year everybody realized those expensive, high-powered trading programs and servers can be just as buggy as your average PC.

The “blue screen of death“, though, costs the kid in the coffeeshop a few minutes of time. For Wall Street firms, these glitches drain money, prestige, and can even cripple a firm.

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