PC Optimizer is the easiest and most comprehensive way to keep your PC run smooth and error free. It works with all version of Windows - 95, 98, Me, NT4, 2000, and XP. 1. PRIVACY PROTECOR Privacy Protector protects your privacy by removing all the unwanted traces in your system. It safely removes web cookies, web history, recent documents history, any hidden user traces and more with just a click. 2. System Cleaner and Optimizer System cleaner removes junk and obsolete files from your system. This not only frees valuable system space, but also helps the Registry Cleaner to thoroughly clean the System Registry. 3.System Files backup and Restore With Backup and Restore tools you can backup your system registry and restore it in case of System Failure. Thus you can always revert back to last good configuration and minimize the chances of viruses and bad installations. 4.Registry Cleaner and Optimizer Registry cleaner cleans the windows Database Registry for invalid information such as Invalid Fonts, Activex and COM Sections, invalid File Information, Auto-Run sections, DLL and Help sections for invalid entries. It reduces overall errors and improves efficiency. 5. Registry Defragger and Optimizer Registry defrag optimizes registry by removing fragmentation, deleting unused entries and compacting the registry.