: Disable sleep or hibernation on the protected VM, as these states can break the connection to the security appliance. 5. Linux-Specific Fixes For Linux systems showing an "Engine Offline" error:

: The Windows OS may lack the root certificates (e.g., VeriSign, DigiCert, Comodo) required to verify the driver's digital signature, preventing it from loading.

Trend Micro Deep Security Anti-malware Driver Offline Not Installed [2021]

: Disable sleep or hibernation on the protected VM, as these states can break the connection to the security appliance. 5. Linux-Specific Fixes For Linux systems showing an "Engine Offline" error:

: The Windows OS may lack the root certificates (e.g., VeriSign, DigiCert, Comodo) required to verify the driver's digital signature, preventing it from loading. : Disable sleep or hibernation on the protected