1) Registry Fixer

What Is It? Registry Fixer scans the Windows registry for incorrect or obsolete information and allows you to safely clean and repair registry problems with a few simple mouse clicks. Your applications run faster, your operating system loads quicker.

Windows Registry is an important part of your computer system. With regular use of window registry keeps growing, and will attracts unnecessary information that will make the PC cluttered. Thus for the better performance and to ignore spyware and adware, you need to clean registry with regular interval.

Everybody needs Registry Fixer. Problems with the Windows Registry are a common cause of Windows crashes and errors. By using a registry fixer regularly and fixing registry errors your PC will be more stable and help to improve your PC performance.

Features:
- Scan the Windows registry for errors
- Clean and fix registry errors
- Improve registry performance and consistency
- Make a backup of the Windows registry

2) Disk Cleaner

What Is It? Disk Cleaner is a cool tool to quickly and easily clean your hard disk from temporary files like those in the system temporary folder, the Internet Explorer Cache and Cookies folder, and the Recycle Bin. Disk Cleaner is absolutely free from adware and spyware.

Disk Cleaner is focused on ease of use, speed and a small size, both when downloading and when installed (the installation file is just over 360 kb). Disk Cleaner is also entirely self-contained: no other (large) DLLs are necessary to run the application, so it can even be run from a floppy without trouble. Handy to remove your junk from public machines.

It is very easy to use: select the items you would like to clean, press the clean button, and you're done!

3) Eraser

What Is It? Winner of Chip Magazine's Best File Shredder Award, Eraser is an advanced security tool (for Windows), which allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns. Works with Windows 95, 98, ME, NT 4.0, 2000, XP & Vista. Eraser is one of the best security tools available for Windows.

4) System Cleaner and Registry Fixer Bonus

• Recommended by experts and editors around the world
• Cleans Registry, Fixes PC errors and optimizes PC for better performance.
• Easy to use. Designed for both, expert and novice users.

It combines a system cleaner that removes unused and temporary files from your system and also a fully featured registry cleaner!
This system optimization tool allows Windows to run faster, more efficiently and gives you more hard disk space.

Cleans the following:

Internet Explorer
Temporary files, URL history, cookies, Autocomplete form history, index.dat.

Firefox
Temporary files, URL history, cookies, download history.

Opera
Temporary files, URL history, cookies.

Windows
Recycle Bin, Recent Documents, Temporary files and Log files.

Registry cleaner
Advanced features to remove unused and old entries, including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application Paths, Icons, Invalid Shortcuts and more... also comes with a comprehensive backup feature.

Third-party applications
Removes temp files and recent file lists (MRUs) from many apps including Media Player, eMule, Kazaa, Google Toolbar, Netscape, MS Office, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and many more...

Registry Cleaning:

• File Extensions
• ActiveX Controls
• ClassIDs
• ProgIDs
• Uninstallers
• Shared DLLs
• Fonts
• Help File references
• Application Paths
• Icons
• Invalid Shortcuts and more...

System Requirements:

• Fully tested with Windows 98/NT4/ME/2000/XP/2003/Vista.
• Partially compatible with 64bit XP and Vista, there are a few non-critical issues which are still being worked on.
• No Mac or Linux versions.