CCleaner是一款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。- Improved Windows 7 jump list cleaning.
- Improved Windows 7 thumbnail cache cleaning.
- Added support for Windows Server 2008 R2.
- Improved 64-bit support and performance.
- Fixed issue with Windows 7 task scheduler.
- Fixed issue with Startup tool, displaying incorrect folder contents.
- Added support for AVG Antivirus 9.0.
- Added support for ExcludeKey in INI files.
- Improved support for wildcards and RECURSE/REMOVESELF.
- Fixed minor GUI bugs in non-English versions.
- Fixed minor GUI usability issues.
- Improved input validation.
- Lots of minor bugs fixed.

下载:CCleaner 2.25.1025