Trend Micro Deep Security Anti-malware Driver Offline Not Installed Exclusive Jun 2026

This guide addresses the "Anti-Malware Driver Offline / Not Installed" status in Trend Micro Deep Security, a common hurdle that leaves endpoints vulnerable.

The "Anti-Malware Driver Offline" or "Not Installed" error in Trend Micro Deep Security indicates a critical communication failure between the Deep Security Agent (DSA) and the underlying operating system kernel drivers. When this error occurs, real-time protection is disabled, leaving the host vulnerable. This guide addresses the "Anti-Malware Driver Offline /

: Use the DSM Alerting profiles to automatically upgrade agents to the latest patch level during scheduled maintenance windows. : Use the DSM Alerting profiles to automatically

The good news is that the fix is almost always within your control. Whether it’s a simple reboot after VMware Tools update, a registry tweak, or an offline agent reinstall, the steps outlined above will restore your protection. Always test in a non-production VM first, and remember: in agentless deployments, check the hypervisor first; in agent-based deployments, check the kernel driver second. Always test in a non-production VM first, and