CIOs who haven't moved their companies from Windows XP by now ought to be fired, some people think, but those who haven't and are still on the job have options for saving their bacon. "Start," is the first piece of advice from Shawn Allaway, CEO of Converter Technology, which specializes in migrating businesses to new versions of Windows and Microsoft Office. Even if the project isn't completed before Microsoft ends support for XP on April 8, it's important to minimize the window of exposure during which XP runs unsupported on corporate networks.