If you’re reading this story, odds are pretty good that you’re tech support for your friends and family. And you might even have a few well worn habits when it comes to trying to figure out what’s ailing a Windows machine. But you might want to re examine them, on the advice of Mike Danseglio, a guy who knows what he’s talking about. He joined Will Smith in the latest PCWorld YouTube video. Mike was doing technical support at Microsoft itself way back in the 90s and he