McAfee FreeScan helps you detect thousands of viruses on your computer. FreeScan searches for viruses, including the latest known "in the wild" viruses, and displays a detailed list of any infected files. FreeScan even provides links to more information about the viruses and what you can do to clean your system.
While Mcafee virus scan in your security center detects and removes all detected infections on the computer.
note:moving thread to virus scan 13-2009