“"I've been using it since it came out... default setting on cleaning unused files you're going to be plenty safe." — Community user on Reddit ” Reddit · r/computer · 1 year ago
These videos provide a deeper look into CCleaner's features, comparing the Free and Professional versions and exploring modern alternatives: CCleaner 6 Review: An Essential Tool for Windows Users YouTube · Make Tech Easier CCleaner Pro vs Free | Which is Best for You? 2026 YouTube · HowToHarbor
A major security breach occurred where a specific version was compromised with malware. Experts at Wikipedia note that this issue was corrected in all subsequent releases. CCleaner6.09.10300.Pro.Bu.Tech.7z
Patented technology that puts inactive apps to sleep to free up system resources.
A simplified "one-click" scanner that identifies junk files, speed issues, and security risks. “"I've been using it since it came out
This remains a controversial feature. While it can remove leftover entries, many tech experts suggest using it with caution, as improper registry changes can occasionally cause system instability. Expert Perspectives
“"It's more important that the app does the job you're paying hard earned money for and that's certainly the case in our testing..." — Tech Advisor ” Tech Advisor · 2 years ago Experts at Wikipedia note that this issue was
While CCleaner is generally considered safe and secure today, it carries a mixed history.