Newport Beach-based security softwater firm PivX said this week that it has released an upgraded version of its desktop Intrusion Prevention Software. The company's PreEmpt 2.0 software patches Windows based systems from known security vulnerabilties. The company looks to protect Windows systems from viruses and hackers by automatically blocking and fixing known security issues. The upgraded software includes enhanced detection and reporting of attacks, and tools to prevent buffer overflow issues. The company's software currently supports Windows XP, 2000, and NT.