Advanced System Optimizer 2.2
ASOv2 has more than 200 tweaks for customizing Windows and supercharging your PC's performance. New features include a spyware detective, an icon manager and a comprehensive backup tool. You can back up the registry and restore it if it's damaged. The system cleaner removes junk and obsolete files from the system. The registry cleaner ensures that invalid information is removed, and the registry defragger helps you get maximum speed from your PC.

Internet Disk Cleaner 2.0
Internet Disk Cleaner protects your privacy by cleaning up all Internet tracks and past computer activities. It can erase Window's temp folders,run history,search history,recent documents,browser's cache,cookies,history,typed URLs,autocomplete memory,index.dat files,and more. You can also easily erase the tracks of up to 100 popular applications.The application's additional features include scheduled cleanups, secure deletion and boss key.

RegDoctor 2.02
Registry problems are the common cause of Windows crashes, error messages, and degraded performance! RegDoctor can safely and quickly clean and repair Windows registry problems with a few simple mouse clicks! RegDoctor uses an intelligent, high-performance detection engine to accurately identify missing and invalid references in your Windows registry.

System Mechanic 8
Make your old PC run like new. Keep your new PC running fast and problem-free. System and registry clutter will degrade your computer's performance, leading to crashes, longer boot times, and system errors. System Mechanic combines over 40 powerful PC tuneup tools to clean hard drive clutter, repair your registry, defragment drives and memory, manage programs, boost your internet connection, and remove spyware.

Max Registry Cleaner 6.0.0.034
Computer's registry is the nerve center of a PC. It stores all the hardware, software and user settings, which keeps growing when you use Windows. Max Registry Cleaner scans the Windows registry to detect and delete invalid information from the registry. Max Registry Cleaner’s defragmentation feature arranges the cluttered registry linearly improving the system performance.