DTAG008 - The antivirus signature file age must not exceed 7 days.
Antivirus signature files are updated almost daily by antivirus software vendors. These files are made available to antivirus clients as they are published. Keeping virus signature files as current as possible is vital to the security of any system.
Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console. Under the Task column, select the AutoUpdate option, right-click, and select 'Start'.