CCleaner Support Community (2024)

FAQs

Can CCleaner be trusted? ›

Is CCleaner safe? Yes, CCleaner is safe. That said, CCleaner has battled several security concerns since its acquisition by Avast.

"CCleaner is one of the best all-around tools for keeping your computer optimized and free of the junk that accumulates from Internet surfing, obsolete apps, and other fragments that clog up your system."

The $24.95 Professional plan builds on the free option by offering more thorough computer cleaning, real-time system monitoring, automatic history cleaning, and automatic software updates.

Yes, it is. Performance Optimizer is also brand new, patented technology for Windows PCs and covers a wide range of unique performance benefits. For these reasons, we took testing to an extra level with this particular feature because it's a world-first.