I prefer the "slim" build (CCleaner without the "crap")
http://ccleaner.com/download/builds.aspx

Crap Cleaner to name it's full title.

New build hot off the coders press.

CCleaner removes unused and temporary files from your system - allowing it to run faster, more efficiently and giving you more HDD space.

The best part is that it's fast (normally taking less that a second to run) and Free.

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: Media Player, eMule, Kazaa, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce 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...

What's New in This Release:

· Rewritten secure deletion code, now over 2x faster.
· Performance improvements deleting Internet Cache.
· Fixed bug in Recycle Bin cleaning.
· Fixed overflow error with a large number of temp files.
· Added AntiVir PE Classic and Premium cleaning.
· Removed PerfectDisk 8.0 cleaning.
· Optimized file size for language DLLs.
· Added Bosnian translation.
· Added Macedonian translation.
· Updated several translations.
. Minor bug fixes.... [Full changelog is here: http://www.softpedia.com/progChangelog/CCleaner-Changelog-8851.html ]

Download link, it's the top download link (1.39) http://www.softpedia.com/progDownload/CCleaner-Download-8851.html

Or direct link: http://download.ccleaner.com/ccsetup139.exe