Advance Notice: Update for AV Defender Scheduled for Wednesday, October 25

Please be advised we will be pushing an update to activated N-central servers as of Wednesday October 25th for AV Defender ( This will be available for updates at this time. Release Notes will be available on the new N-able Me following publication.

We would also like to advise you that Wednesday October 25th AV Defender will be available for Fresh Installs and Upgrades.

AV Defender Version

The following improvements have been added:

  • Content Control detection events now contain details about the web categories of blocked websites. You can view these categories in the Event log section.
  • Firewall: The default Firewall driver has changed.
  • Added support for removing the following security products:
    • Trend Micro Apex One Security Agent 14.x
    • Qi An Xin Enterprise Security Assistant

The following issues have been resolved:

  • Security Fixes
  • Antimalware:
    • The Antimalware module displayed On-Access as disabled in the local interface even though it was enabled in the policy.
    • Antimalware was causing high disk usage when scanning certain SSD drives.
    • Fixed an issue that caused the security agent to create database registry files on partitions smaller than 1 GB.
    • In certain scenarios, endpoints encountered critical errors (BSOD) when the Antimalware module was active.
    • Fixed an issue that caused the Antimalware module to prompt users to take actions on clean files.
    • Removed the unused caching database files on partitions smaller than 1GB.
    • Fixed an issue where the Antimalware module failed to report detections of infected browser plugins in certain scenarios.
  • Firewall:
    • Fixed an issue that caused network disconnects for Intel-based network interface cards.
  • Content Control:
    • Addressed an issue that caused filtering inconsistencies for web categories across multiple Windows 10 endpoints.
    • Fixed an issue that prevented Content Control from blocking websites on newer editions Windows Server 2019 and Windows Server 2022.
    • Fixed an issue that caused Content Control to create a temporary Windows profile for automatic logins.
  • Advanced Threat Control:
    • Addressed an issue where the Advanced Threat Control feature caused critical errors (BSOD).
    • In some situations, the Advanced Threat Control module caused high memory usage and performance issues.
    • Fixed an issue that caused the Bitdefender Endpoint Security Service to crash when Advanced Threat Control was installed.
    • In certain scenarios, endpoint encountered critical error (BSOD) when the Advanced Threat Control module was active.

Updating to this Release
The AV Defender update can be scheduled at an appropriate time by adding a maintenance window to your devices. Updating involves an incremental update of components or modules without the need to remove protection. The device will be rebooted after the update if the maintenance window allows AV Defender Reboots. A reboot may be required based on Installation Status. If you do not want updates or reboots to proceed automatically, you can disable them by removing the appropriate maintenance windows from the device or rule.

For all Supported Operating systems please see N-able Me System requirements (

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