
The Anti-Virus Definition Updates section shows the available Anti-virus engines as well as whether the last automatic update succeeded or failed as shown below:

Improper exclusions for file-based backups and 3rd party anti-virus scanners resulting in corrupt definitions.

Any kind of corruption of the definitions can cause updates not to download properly.An antivirus engine has become corrupt and cannot be initialized.
#How to update bitdefender virus definition how to
This article describes how to determine if a manual update for any of the Virus Scanning Engines is necessary and provides an index to the different articles detailing the manual update procedure.Īutomatic updates for the Virus Scanning Engines will be unsuccessful if any of the below conditions are true:

Out of the box, MailEssentials ships with Avira and BitDefender Virus Scanning Engines while also providing customers with the flexibility to acquire a license for Kaspersky, Sophos & Cyren Virus Scanning Engines (VSE).Īll the Virus Scanning Engines can be configured to Automatically check for updates which can sometimes fail. While the general procedure to manually update is similar, there are subtle differences in how the various engines are manually updated.

The MailEssentials Email Security module uses multiple antivirus engines to scan inbound, outbound, and internal emails for the presence of viruses and malware.
