PC Registry Cleaner is a gear utility to scan, remove and fix computer errors.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP

Premium Booster will rejuvinate your Windows Say "No!" to system errors!.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista

RegClean - Fix your PC Errors! RegCLEAN will repair errors instantaneously.
License: Shareware
OS Support: Win98,WinME,WinNT 3.x,WinNT 4.x,WinXP,Windows2000,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista Home

Scans and Fix Registry, Hard Disk for System & File Inconsistencies.
License: Shareware
OS Support: Win98,WinME,WinNT 4.x,Windows2000,WinXP

complete registry management solution for power users and administrators.
License: Shareware
OS Support: Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista Home Premium x64,Windows Vista Busine

Clean your Windows Registry with ease and boost your system performance.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista Home Prem

Cleaning invalid and incorrect entries and repair of the Windows Registry.
License: Shareware
OS Support: WinXP,Windows2000,Windows2003,Windows Tablet PC Edition 2005,Windows Media Center Edition 2005,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista H

Performs physical defragmentation of the Windows registry.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista

The Registry Drill is the most in-depth Registry utility and cleaner.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate,Windows Vista Home Basic x64,Windows Vista Home Prem

New 61! Cleans the registry to speed up your computer and stop program crashes!.
License: Shareware
OS Support: Win98,WinME,WinNT 4.x,Windows2000,WinXP,Windows2003,Windows Vista Starter,Windows Vista Home Basic,Windows Vista Home Premium,Windows Vista Business,Windows Vista Enterprise,Windows Vista Ultimate