Virus Update files contain up-to-date virus signatures and other information for Virex to use to protect your computer against the thousands of computer viruses in circulation and against the hundreds of new viruses that emerge between updates. Virex Virus Definitions are released as needed. Also known as a DAT file, they hold information that allows the program Virex to eliminate the newest viruses, trojan horses, and other harmful things on your computer. This update package replaces the virus definition (DAT) files and the virus-scanning engine within your Virex 7 installation. These items help Virex to keep your Apple computer free of viruses, Trojan horses and other malicious code. ... [ read more ]