Sometimes the agent configuration gets desynchronized from the manager. Forcing a refresh can retrigger the driver installation. Log into the .
The "Anti-Malware Driver Offline Not Installed" error is primarily a compilation or loading issue on the host side. By verifying kernel header dependencies, checking Secure Boot status, and utilizing DSM for pre-compiled driver delivery, administrators can quickly restore protection to the endpoint.
On an (same OS version):
sc create ds_driver binPath= "C:\Program Files\Trend Micro\Deep Security Agent\driver\ds_driver.sys" type= kernel start= auto sc start ds_driver The "Anti-Malware Driver Offline Not Installed" error is
Force the agent to re-examine its configuration and talk to the Deep Security Manager (DSM):
If this fails with an "Access Denied" or "File Not Found" error, your installation files are likely locked or corrupted. Step 3: Address Windows Secure Boot
Reboot the system and complete the MOK enrollment at the blue firmware screen. Step 3: Address Linux Kernel Mismatches Step 3: Address Windows Secure Boot Reboot the
A standard uninstall often leaves files behind. For a complete fix: Uninstall Deep Security 12-Sept-2022 —
If a reboot fails, check if the underlying Windows drivers ( tbproch , tmactmon , tmevtmgr , or tmka ) are registered and running. Open as an Administrator. Run the following command to check the driver status: sc query tmactmon sc query tmka Use code with caution. If the state is STOPPED , attempt to start it manually: sc start tmactmon sc start tmka Use code with caution.
Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager checking Secure Boot status
Did this error start happening after an ? Is Secure Boot enabled on this specific machine?
For air-gapped systems:
Other antivirus products like OfficeScan, Apex One, or ServerProtect can prevent the DSA driver from loading.