No such thing. To come close, you need a GOOD Anti-Virus utility (always resident and always updated with current definitions), some sort of firewall (Windows built-in firewall is fine, especially when combined with a router's NAT), a browser that has built in phishing site alerts (IE, Firefox, etc), and COMMON SENSE. You can then add Spyware Blaster and regular scans with Malware Bytes or Super AntiSpyware. Did I mention COMMON SENSE?