CCleaner是一款免費的系統優化和隱私保護工具。CCleaner的主要用來清除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。

- Added support for Flock 3.0.
- Improved database compacting to only run when needed.
- Improved Index.dat files cleaning for IE8 to include IECompatCache, IETldCache, PrivacIE folders.
- Improved accuracy of cleaning status messages.
- Improved localization and language support.
- Improved UI text formatting for Cleaner screen.
- Fixed Startup Tool double-clicking behavior on Win9x.
- Minor improvements to Registry Cleaner on Windows 7.
- Added Kurdish translation.

CCleaner 2.33.1184
http://download.piriform.com/ccsetup233.exe