Trend Micro Deep Security Anti-malware Driver Offline Not Installed !!top!! Direct
Here’s a detailed technical analysis of the scenario where the Trend Micro Deep Security Anti-Malware driver is not installed in an offline environment.
2. Core Symptoms & Detection
- DSM Console Alert: The computer’s status shows a yellow or red icon. Under "Anti-Malware" status, the driver state reads “Offline” or “Not Installed.”
- Agent Logs: Entries in
dsa.logords_agent.logindicating driver load failure, version mismatch, or access denied. - Local System Behavior: Attempts to start the Trend Micro services (e.g.,
ds_am,Trend Micro Deep Security Agent) fail. Real-time scanning is inactive; manual scans may also fail. - Windows Security Center: May report no antivirus provider active.
Common Causes
| Cause | Description |
|-------|-------------|
| Incomplete installation | The anti-malware feature was selected, but the driver failed to install during setup. |
| Driver blocked by security software | Another antivirus or EDR solution is running and prevents Trend Micro's driver from loading. |
| Windows Driver Signature Enforcement | The driver might be unsigned or blocked by Secure Boot / Driver Signature Enforcement. |
| Corrupted driver files | The driver files (tmcomm.sys, tmactmon.sys, tmevtmgr.sys, etc.) are missing or damaged. |
| Deep Security Agent offline | The agent reports the driver as offline because the service is not running. |
| After OS upgrade | Windows feature updates can unload or block incompatible drivers. | Here’s a detailed technical analysis of the scenario
Step 4: Examine Agent Logs
The most definitive way to diagnose the failure is to review the agent logs on the endpoint. DSM Console Alert: The computer’s status shows a
- Log Location:
/var/opt/ds_agent/diag/(Linux) orC:\Program Files\Trend Micro\Deep Security Agent\diag\(Windows). - Key Files: Look at
ds_agent.logand specificallyds_am.log. - What to look for: Errors containing "module load failed," "compilation error," or "access denied."
7. Troubleshooting Common Offline Issues
| Symptom | Likely Cause | Fix |
|---------|--------------|-----|
| Driver not listed in sc query | Feature not installed | Reinstall agent with full anti-malware package from offline installer |
| Driver present but not started | Missing signature files | Copy signatures from online machine to offline system |
| Agent says “Requires activation” | No DSM connection | Configure agent to communicate with DSM via static IP (offline network) |
| Installation fails with error 0x8004xxxx | Corrupt offline package | Redownload and verify checksums | " "compilation error