Trend Micro Deep Security Anti-malware Driver Offline Not Installed Better -

Using the Deep Security Manager:

: Go to the Deep Security Manager Console. Navigate to Computers , right-click the target machine, and select Actions > Deactivate .

or temporarily disable Secure Boot to confirm it is the cause of the offline status. www.trendmicro.com 3. Clean Reinstallation Using the Deep Security Manager: : Go to

| Cause | Description | | :--- | :--- | | | The installation process itself was incomplete or damaged, leading to missing files or services. | | Conflicting Software | Other security software (e.g., other AV solutions) or remnants of previous software are blocking the driver. | | Driver Signature Issue | Windows cannot verify the driver's digital signature, preventing installation. This is often due to missing root CA certificates. | | Manual Removal Needed | Standard uninstallation leaves behind registry entries and driver files requiring manual cleanup. | | Secure Boot Policies | UEFI Secure Boot is enabled, but the required DSA signing key is not properly enrolled into the system. | | Outdated Components | The DSM or DSA versions are outdated, incompatible, or missing critical updates. | | VM-Specific Issues | In virtualized environments, issues like the VM entering a standby state or network service deployment errors can cause this. |

: Open the Windows Services console and ensure the Trend Micro Deep Security Agent and Trend Micro Solution Platform (AMSP) services are running. | | Driver Signature Issue | Windows cannot

The agent cannot fetch the necessary relay patterns or driver updates from the Deep Security Manager (DSM). Step 1: Perform a Clean System Reboot

To move beyond the vague “offline” message, the following steps must be performed on the affected workload: right-click the target machine

After troubleshooting, verify the DSA is online and functional.