C-Cleaner Download Link

CCleaner (formerly Crap Cleaner), developed by Piriform, is a Utility program used to clean potentially unwanted files and invalid Windows Registry entries from a computer. A public version 1.01 for the Mac OS X has been released along with a Network Edition.

Details
Developer(s) Piriform
Initial release : 23 September 2003; 8 years ago (2003-09-23)
Stable release : 3.18.1707 / 25 April 2012; 1 day ago (2012-04-25)
Operating system : Windows 2000 and later
Mac : OS X 10.5 and later
Platform  : IA-32 and x64
Available in : 47 languages
Type : Utility software
License : Freemium
Website : www.piriform.com/ccleaner