CCleaner is a freeware system optimization, privacy and cleaning tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. Additionally it contains a fully featured registry cleaner.
What's new in this version:
Version 2.34.1200 has extended cookie cleaning to include HTML5 Web storage and improved Index.dat cleaning by deleting ones not locked by the system.