Add Yahoo as a preferred source to see more of our stories on Google. Piriform's Defraggler defragments hard drives or individual folders and files and monitors the health and performance of your disc ...

Want to keep your system running smoothly? The more fragmented your hard drive becomes, the harder–and slower–it works. And over time, a hard drive can be mighty fragmented indeed. Piriform’s ...

Software company Piriform may not be a household name, but the company has been offering a handful of popular, powerful, and free apps for Windows computers for years. Piriform is the developer behind ...

Defraggler comes from the same stable that has given us free software of the pedigree of CCleaner, software publishers Piriform. Defraggler is an easy-to-use, small (4MB) and portable utility that is ...

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 ...

REDWOOD CITY, California--(BUSINESS WIRE)--Avast, the global leader in digital security products, today announced that it has acquired Piriform, the leading provider of device performance optimization ...

It's been over a year since security software giant Avast purchased rival AVG Technologies for $1.3 billion, bringing its total user numbers to around 400 million. Now, the Czech company has acquired ...