RegDoctor can safely and quickly clean and repair Windows registry problems with a few simple mouse clicks! It uses an intelligent, high-performance detection engine to accurately identify missing and invalid references in your Windows registry.

XP Disk Cleaner is a powerful tool for cleaning disks from information that clogs your system and reduces the performance of your computer. With the help of this tool you can search and delete temporary files and folders and other applications

Windows 7 tweaks. Optimize Window 7 performance Utilities and Tools by Win7Zilla

Can detect a lot of hard drives troubles and give a solution for them: - Monitor hard drives health, performance and temperature; - Defragmemt and clean hard drives and registry; Show hdd activity, temperature, performance and health in tray icons

All in one Cleaner is a suite of tools to clean your system, it includes Disk Cleaner, Registry Cleaner, History Cleaner, and Startup Cleaner. it allows you to remove unneeded files and internet tracks, find and remove invalid registry entries.

Windows Eraser is an Privacy Eraser that protects your privacy by erasing all the tracks of your internet and computer activities. Windows Eraser supports popular web browsers such as Internet Explorer, AOL, Netscape, Opera, and MSN Explorer.

It's A PC Cleaner, Spyware Remover, ErrorRegistry Deep Scan And Fix Tool, Optimizer, And More All In One! Not A Template - 100% Custom Made For Heavy WorkStationsSensitive Machines.

WinUtilities is an award winning collection of tools to optimize and speedup your system performance. this suite contains utilities to clean registry, temporary files on your disks, erase your application and drive defragment. more.

YL Registry Cleaner is a registry cleanup utility works on Windows platforms, it has easy-to-use wizard window to guide you to scan and clean your Windows Registry safely. it scans the Windows registry and finds incorrect or obsolete information.

Ashampoo HDD Control is ideally suited to boost the performance of your drive, guard against disk failure and remove clutter from your hard drives, while performing all three functions of monitoring, maintenance and defragmentation.