CCleaner (Crap Cleaner) is a freeware system optimization tool. CCleaner removes unused and temporary files from your system - allowing it to run faster, more efficiently and giving you more hard disk space. CCleaner also comes with a registry scanner that scans for invalid references (advanced users) .
CCleaner是一款免费的系统优化和隐私保护工具。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、Oprea等。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31国语言界面！
Cleans the following:
- Internet Explorer Cache, History, Cookies, Index.dat.
- Recycle Bin, Temporary files and Log files.
- Recently opened URLs and files.
- Third-party application temp files and recent file lists (MRUs).
- Including: Firefox, Opera, Media Player, eMule, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and more...
- Advanced Registry scanner and cleaner to remove unused and old entries.
- Including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more... Backup for registry clean.
- Windows Startup tool.
Changelog:
- Fixed problem with Vista UAC compatibility.
- Fixed bug in Secure Delete when emptying Recycle Bin.
- Fixed bug in Secure Delete with 0 byte files.
- Fixed bug in Uninstall Tool with non-standard entries.
- Resource file loading optimizations.
- Updated Windows Live toolbar cleaning.
- Added Bulgarian translation.
- Updated several translations.
- Updated installer engine.
- Minor bug fixes.
Download: CCleaner 1.40.520
Link: http://www.ccleaner.com