CCleaner ... Registry and Junk File Cleaner

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. But the best part is that it's fast (normally taking less than a second to run) and contains NO Spyware or Adware! :)

http://www.ccleaner.com/download


very usefull to clear your Registry and HDD after use some Windows Application ... i has been recommended it to all my friends