Keeping a company's desktops up and running smoothly can be a daunting undertaking, but today's IT pros can take advantage of a variety of utilities that can facilitate that task. Whether you're defragging a sluggish computer, managing file permissions, or recovering an unbootable hard disk, there's likely a tool that can simplify the job. Find out which applications our readers rely on to perform routine tasks and thus free up time for other responsibilities. You might just come across a new best friend.