Zilla TuneUp Optimizer Extends operating system's capabilities: Drive Cleaner, Registry Cleaner, Internet Cleaner, DLL Cleaner, Internet Tuneup, StartUp Tuner, File shredder. Optimizes PC performance, corrects problems, and protects your privacy.

This is a multi program that consists of a Firewall &protects you from dangers of the internet & spy ware.It Scans your system then shreds the detected threats,& shreds files &folders of your choice.It Includes a Sys. Cleaner,Sys. Opt

It is a freeware Windows 95/98/NT/2000/XP utility that lets you to calculate every aspect of your subnet configuration in a few mouse clicks! It was designed for any network engineer who needs a fast way to determine subnets.