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。

CCleaner 5.38.6357 发布

Changes in CCleaner 5.38.6357 (December 12, 2017):

Browser Cleaning

Edge: Session clean no longer removes set-aside tabs

Chrome: Added support for cleaning cookies from Local Storage

Cookies

Chrome Local Storage Cookies can now be managed from Cookie Manager

Windows

CCleaner no longer cleans the list of files waiting to be renamed (PFRO.log)

Installer

Fixed ‘Error opening file for writing’ error

General

Fixed a library dependency that was preventing CCleaner from opening on Wndows XP in some cases

Fixed a rare case where CCleaner could check for updates multiple times in a short space of time