Clean Slate - upgrade license - 150 CPU

Clean Slate is designed to protect public access computers from malicious or inexperienced users. While not restricting users' activities, Clean Slate will scour drives back to their original state upon reboot. Clean Slate takes only minutes to install and needs no attention, ever, for most installations. Clean Slate restores the computer to its original configuration, no matter what users have done: including erasing files, installing software, downloading viruses and Trojan horses, and altering icons.