For a long time CCleaner has been the most popular system-cleaning tool for Windows, extending its reach to other platforms like macOS and Android phones. However since security giant Avast acquired it last year, it's been a stormy ride that's had many doubting how effective or trustworthy the tool really is.
Ever had problems with broswer hijacking? Be prepared for the next attack by turning Windows update on, and reading the guide to Browser Hijacking and How to Stop It. - PCSTATS Tips