1)   Mil Shield 6.5 Mil Shield 6.5 erases the tracks from your computer activities to protect your privacy. It cleans cookies, cache, history, INDEX.DAT files, all Firefox, Opera, Safari and Chrome tracks. You can keep the tracks from some safe sites. Supports Vista. 2)   1 Mil Shield 4.5 Mil Shield 4.5 erases the tracks from your computer activities to protect your privacy. It cleans cookies, cache, history, INDEX.DAT files, all Firefox tracks and many other. You can keep the tracks from some safe sites. There is also a boss key.