Freeware: Ccleaner

CCleaner 1.61 Ccleaner (Crap Cleaner) is a freeware system optimization tool that removes unused and temporary files from your system - allowing Windows to run faster, more efficiently and giving you more hard disk space.

CCleaner Pro Free 1.0 Ccleaner Pro Free is a powerful tool for cleaning your Windows PC. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space.

Browser History Cleaner 4.6Browser History Cleaner is a freeware history cleaner software that protects your Internet privacy by cleaning up all the tracks of your Internet and computer activities.

WebPost Tools 1.0.0.412WebPost Tools contains all of the necessary tools to diagnose and remove many common problems such as viruses, spyware, malware, hard dive and memory failures, Internet connection problems, and much more. It's portable, and requires no installation.