DTAM103 - McAfee VirusScan On-Access Scanner All Processes settings must be configured to scan all files.
When scanning for malware, excluding specific file types will increase the risk of a malware-infected file going undetected. By configuring antivirus software to scan all file types, the scanner has a higher success rate at detecting and eradicating malware.
Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console. On the menu bar, click Task->On-Access Scanner Properties. Select All Processes. Under the Scan Items tab, locate the 'What to scan:' label. Select the 'All Files' radio button option. Click OK to Save.