Download Windows Tweaking
Comodo System Utilities 4.0

Clean the Registry of unwanted files and traces, and configure Windows startup.
Comodo Programs Manager 1.3.2

Clean your PC of unwanted files, malware uninstalled programs, etc.
EndTasks 1.2.0

It lets you finish Windows processes and tasks that have hung, blocked or run without permission.
True System Security Tweaker 2.3

A Windows optimizer with more than 400 system adjustments.
Game Booster 3.4.0504

Optimize the processor and the RAM memory of your PC to make certain games faster.
Enhance My Vista 3.0

Optimize and access your operating system configurations that are usually hidden.
Slow PC Fighter 1.6.21

Correct errors in your Registry to optimize the efficiency of Windows.