The Belarc Advisor looks like a tool for serious geeks, but it has features everyone can use. Development of Windows 10 lumbers forward but Spartan, the replacement for Internet Explorer, still isn't available in the preview program. In Short Circuits: Installing the Windows 10 preview doesn't always work the way you think it will; in a "surprise" move, big ISPs have filed suit against the Federal Communications Commission; and warnings about rogue Android apps not downloaded from the Play Store. In Spare Parts, only on the website: Finding an old math co-processor in the back of a drawer this week was amusing, trying to safeguard data stored in the cloud, and Microsoft works with Samsung to put Office on Android devices.