Windows Live OneCare 1.5 is specifically compatible with the new Windows Vista(TM) operating system. OneCare 1.5 is a comprehensive, automatic and self-updating PC care service that helps maintain your computer and protect it from outside security threats. It offers antivirus, firewall, antispyware, PC performance tune-ups, automatic updates, a PC health meter as well as file backup and restore functionality. Windows Live OneCare 1.5 antivirus and antispyware scanners and managed 2-way firewall help protect