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

For air-gapped systems:

If Secure Boot is required by policy but blocking the driver, you must either disable it in the BIOS or sign the kernel module (advanced procedure). For most environments, disabling Secure Boot in the system BIOS is the standard fix for "Not Installed" driver issues on fresh deployments. For air-gapped systems:

Check the following:

The “offline” state is not a single failure but a symptom with several potential root causes, categorized below. If Secure Boot is required by policy but