PC Tools Pty Ltd. develops and publishes security and utility software for consumers and enterprises markets. Its products include Spyware Doctor, which provides spyware protection to secure Windows personal computers; PC Tools AntiVirus that offers protection against virus infections; Registry Mechanic, a registry cleaner to fix Windows errors; and File Recover, which recovers files from hard drives, floppy drives, and fixed media. The company also provides Privacy Guardian, a privacy software to erase online Internet tracks and program activity; Spam Monitor, an anti-spam filter for protecting inbox against unsolicited junk emails; and PC Tools Firewall Plus, a personal firewall that protects computers from intruders and controls the network traffic. In addition, PC Tools offers ThreatFire, which detects malicious behavior used by malware threats; and Desktop Maestro, which tools for optimal system performance, stability, and user privacy. Its clients include users, small businesses, non-profit and community organizations, educational institutions, and government agencies. The company offers its products through a network of distributors, resellers, and retailers. PC Tools Pty Ltd. was founded in 1998 and is based in North Sydney, Australia with additional offices in San Francisco and Boulder, Colorado; Hammersmith Grove, the United Kingdom; Kiev, Ukraine; Shannon, Ireland; and Melbourne, Australia. As of October 6, 2008, PC Tools Pty Ltd. operates as a subsidiary of Symantec Corporation.