CCleaner is the number-one tool for cleaning your Windows PC. It protects your privacy online and make your computer faster and more secure. Easy to use and a small, fast download.

Accidentally deleted an important file? Lost something important when your computer crashed? No problem! Recuva recovers files deleted from your Windows computer, Recycle Bin, digital camera card, or MP3 player. And it’s free!

EasyCleaner is a small program which searches the Windows registry for entries that are pointing nowhere. It also lets you delete all kinds of unnecessary files such as temps and backups. You can search for duplicate files and you can view some interesting info about your disk space usage!

Revo Uninstaller
Remove unwanted programs and traces easily.

Trend Micro HijackThis is a free utility that generates an in depth report of registry and file settings from your computer. In addition HijackThis comes with several tools useful in manually removing malware from a computer.

SuperAntiSpyware Online Safe Scan
The scanner will detect AND remove over 1,000,000 spyware/malware infections. The SUPERAntiSpyware Online Safe Scan is free for personal use.