Anyone who has used a computer for more than four seconds knows what happened next. Within a matter of days, her computer became an $800 paperweight. Knowing I was a computer guy, she called me, and while cleaning up the mess I explained that I'd have to uninstall her new poker game, and that all of the online versions she played would also have to be avoided. She sadly agreed, and we got everything back to normal. But the upside was that I was able to track down another clean poker game for her, and that made her happy again.

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One week later, I got another call. Same problem. When I started the cleanup again, I saw that she had been frequenting five completely new poker sites -- all of them dumping the same malware into her hard drive. When I brought it up, she explained, "The one we put on there last week wasn't very good, so I found new ones."

That exact situation is the problem with new computer users, and it's not entirely their fault. When you turn on the television, you can flip to any channel you want without worrying that the show is going to break your TV. You can go through every radio station on the dial knowing that you're not going to land on one that forces your speakers to play nothing but commercials and randomly switches back to that station without your input. No device or broadcast on the planet does that -- except computers.