Computer software providing security applications for non-Macintosh operating systems and IBM PC compatible operating systems

Downloadable computer software, namely, anti-virus software; firewall software for preventing intrusion and hacking; software for screening and blocking unwanted e-mail, software for scanning computer hard drives, memory and operating system registries, and detecting, monitoring, and facilitating removal of certain types of unwanted and surreptitious computer software from computer hard drives, memory, and operating system registries; computer software for protecting computer systems from rem...