The registry is at the heart of your computer.
It holds the entire inventory and location of every process, folder, file and program on your hard drive.
This information is used to locate files needed to perform tasks and to tell your programs how to run.
Each time you download or remove programs from your PC, your registry is modified Over time, your registry becomes disorganised because parts of files and programs you thought you had uninstalled, remain in your registry.
This can lead to poor and sluggish PC performance, error messages and frequent system crashes.
 

Registry cleaners will scan your PC for you, note any rubbish no longer in use and remove it for you, resulting in a fast and optimized registry which will keep your PC running properly.

Good registry cleaners is are invaluable in keeping your PC in top condition. However, they are expensive to buy so a free registry cleaner is worth it's weight in gold!
Here is your gold in alphabetical order:
 

    Abexo Free Registry Cleaner 1.0
To download, click the bottom link: "Download Abexo Free Registry Cleaner"
The Abexo Free Registry Cleaner is freeware and suitable for Windows 98/Me/2000/XP
Included in Complete Registry Cleaner is a registry defragmenter, also called compressor, which removes the empty spaces after a cleanup and thereby reduces registry size. Registry defragmentation increases the performance of your computer dramatically.    One-click registry back-up, clean-up and defrag.

   Eusing Free Registry Cleaner 1.25
The Eusing Free Registry Cleaner is free registry repair software allowing you to clean and repair registry errors with a few clicks of the mouse.
The Eusing Free Registry Cleaner will scan your Windows registry for obsolete and invalid information then list the errors found.
Eusing Free Registry Cleaner makes a backup of repaired entries so you can restore any changes using the Restore Registry backup option. This free registry cleaner is freeware for 98/NT/2k/Me/XP/95/2003

   Free Registry Cleaner 1
Free Registry Cleaner 1 is new from AML Software
It will safely clean and repair any Windows Registry problems with a few clicks and enable you to enjoy a cleaner and more efficient PC.
This ALM Sofware item is freeware and suitable for Windows 2000/XP/2003 Server/Vista

   Free Window Registry Repair
By using Free Window Registry Repair regularly and repairing your registry your system should not only be more stable but it will also help Windows run faster.
Free Window Registry Repair will automatically backup any repairs made so that you always can restore Windows registry to the original state.
This Regsofts item is freeware and suitable for Windows 95/98/Me/NT/2000/XP/2003

   Registry Cleaner from c-Privacy
The Registry Cleaner from c-Privacy repairs invalid registry entries and improves system performance and stability.  It scans your hard drive for invalid and incorrect program shortcuts and is very easy to use with a few clicks of the mouse.
This c-Privacy item is shareware and suitable for Windows 98/ME/XP/NT/2000/2003

    Windows Registry Repair Pro - 3.0
Produced by 3B Software Inc., the Windows Registry Repair Pro is shareware designed for Windows 95, 98, ME, 2000, XP and 2003.
Registry Repair Pro uses a proprietary detection algorithm to quickly identify missing and invalid references in your Windows registry.   Problems occurring after un-installation or incorrect removal of software, by missing or corrupt hardware drivers, and/or orphaned start up programs can be solved immediately with a simple click of the mouse.

   Wise Registry Cleaner
Wise Registry Cleaner is one of the safest Registry cleaning tools available. Its scanning engine is thorough, safe and fast. Very easy to use, even the least experienced user can easily repair registry with this tool.
This WiseCleaner item is freeware and suitable for Windows 98/Me/NT/2000/XP/2003