CCleaner is the number-one tool for cleaning your Windows PC. CCleaner Portable and CCleaner Standard also available. It protects your privacy online and makes your computer faster and more secure. Easy to use and a small, fast download. Slim version is released later and has no toolbar.Also available:CCleaner StandardCCleaner portable (Take it on a USB stick with you)CCEnhancer (Adds support for over 270 new programs to CCleaner