Ten Free Must-Have Security Tools - CC Cleaner
This lightweight utility combines a system cleaner that removes unused and temporary files URL history and cookies from the three main Web browsers (IE, Firefox and Opera). It also features a registry cleaner.
Download link: http://www.ccleaner.com/
eWEEK's Ryan Naraine puts together a list of 10 free must-have consumer security utilities to help keep hackers at bay.