You will need to go and download the uninstaller that the University has. It is available for download at the OIT Software Distribution Internet Downloads. Log in with your NetID and NetID password. Then select McAfee VirusScan Removal Tool for Windows and click Download selected item at the bottom. After it has downloaded, then run the file from the location on the computer that it was downloaded to. Then after it finishes, it will ask to reboot. Just reboot the computer and upon restart McAfee will be uninstalled.
