Security software giant Avast has acquired Piriform, the U.K.-based company behind CCleaner -- one of the most popular system cleaners on desktop and mobile. Founded out of London in 2004, Piriform is ...

CCleaner has long been a classic among Windows system optimizers, and next year the much-loved tool will celebrate its 20th anniversary. It has such an enduring legacy and has been so popular that ...

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 ...

After a few years, it's normal for your PC to start slowing down. All those half-downloaded files and old drivers can really bog down performance. However, just because your computer is slowing down ...