更新信息：
- Improved speed when loading Cleaner screen.
- Improved Registry Cleaner speed when displaying issues.
- Improved Registry Cleaner performance when fixing issues.
- Changed Wipe MFT Free Space to run before Wipe Disk Free Space.
- Improved Include and Exclude screen when browsing for folders and files.
- Added Recursive support to Custom folders in Include screen.
- Added support to specify multiple file types for Custom folders in Include screen and INI files.
- Improved how Language Resource DLLs are loaded into memory.
- Improved application detection algorithm.
- Improved internal communication between process threads.
- Improved file scanning when scanning system folders.
- Improved Windows 7 and IE8 support.
- Minor GUI text changes.

CCleaner是一款很不错的、免费的系统优化和隐私保护工具。CCleaner的主要用来清除Windows系统不再使用的垃圾文件，以腾出更多硬盘空间。它的另一大功能是清除使用者的上网记录。
CCleaner的体积小，运行速度极快，可以对临时文件夹、历史记录、回收站等进行垃圾清理，并可对注册表进行垃圾项扫描、清理。附带软件卸载功能。 同时支持IE、Firefox。免费使用，不含任何间谍软件和垃圾程序。支持包括简体中文在内的26国语言界面！