This Beta has been designed to run only on the Released version of OSX. We do not recommend running this product on previous releases of OSX, including the Public Beta of OSX, as this product uses new functionality which was not available in earlier versions.
The first Beta only contains the Command line scanner, a subsequent Beta will introduce a more familiar Virex Application.
The beta version of Virex 7.0 for OS X is available for free. You can find more information at the McAfee Web site.