Old file fragments and registry detritus can slow down your Windows PC. We tested three well-known disk cleaners to see if they could help. It’s no secret that computers (like their users) slow down ...

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 ...

It’s no secret that computers (like their users) slow down with age. Disks fill up with the detritus of use, from old file fragments to the echoes of programs that once lived but are now remembered ...