If you’re using a “registry cleaner” or “disk cleaner” application (CCleaner, Wise Cleaner and Auslogics are three popular examples), you should stop now. You’re wasting your money (up to $30 a year ...

I performed a routine cleanup that ended up doing more harm than good. I used a well-known Windows cleaner with default options. After rebooting, my apps refused to launch and threw strange errors. It ...