Peggie Oliver needs to send her computer out for repairs. She wants to know what she should do with it first. Your computer contains important information, much of it private. The people who will ...

Strange pop-ups, unexpected apps and a mind-of-its-own webcam? Here’s how to tell if your computer has been hacked—and what to do about it. Internet users with lackluster security aren’t the only ones ...

If one or more Office apps is acting glitchy, work your way through this series of repair maneuvers, starting with the simplest. We’ve all been there. You’re working on a document or a spreadsheet, or ...