CCleaner is a freeware system optimization and privacy tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. But the best part is that it's fast (normally taking less than a second to run) and contains NO Spyware or Adware!

CCleaner是一款免費的系統優化和隱私保護工具.主要用來清除Windows系統不再使用的垃圾文件,以騰出更多硬盤空間.它的另一大功能是清除使用者的上網記錄.CCleaner的體積小,運行速度極快,可以對臨時文件夾、歷史記錄、回收站等進行垃圾清理,并可對注冊表進行垃圾項掃描、清理.附帶軟件卸載功能.同時支持IE、Firefox、Oprea等.免費使用,不含任何間諜軟件和垃圾程序.支持包括簡體中文在內的31國語言界面!

Changes in CCleaner v2.00.500 Final:
- Starts on Vista with Admin permissions where available.
- Fixed bug in registry cleaner with extended characters.
- Improved global exception handling and reporting.
- Fixed missing translated strings.
- Fixed minor bug in Antivir cleaning.
- Updated translations.
- Minor tweaks and fixes.

Download : CCleaner 2.00.500 Final