Before running any scans on your computer, make sure that your AT&T AntiVirus Plus powered by McAfee is up to date.
DETAILED STEPS
AT&T AntiVirus Plus automatically updates when a new version comes out if you’re connected to the internet and have an active account. This helps protect your computer from the latest threats.
To update AT&T AntiVirus Plus:
Open AT&T AntiVirus Plus. Just look for the McAfee icon. It appears as an M, a shield, or both. Don’t see the icon? Open your Applications folder (Mac) or Start menu (Windows) and select McAfee.
Choose Update Security. The McAfee Agent Updater window opens, showing the update's progress.