Trend Micro Deep Security Anti-malware Driver Offline Not Installed Jun 2026

: Modern Windows enterprise servers require all drivers to be cryptographically signed. If you are using an older, unsupported DSA version on a newer Windows Server build, the OS will block the driver. Always ensure your DSA version aligns with your specific Windows build.

: For agentless protection, missing vShield/Guest Introspection drivers or power management settings (sleep/hibernation) can trigger an offline status. Step-by-Step Troubleshooting Solutions 1. Reinstall the Deep Security Agent : Modern Windows enterprise servers require all drivers

Check disk/permissions and file integrity If any are stopped, attempt to start them manually

: Open a command prompt as an administrator and run sc query AMSP , sc query tmcomm , sc query tmactmon , and sc query tmevtmgr . If any are stopped, attempt to start them manually. If any are stopped

Run diagnostics directly on the target machine before attempting a repair. Open an elevated and execute the following checks: Query Core Component Services

: If Secure Boot is enabled on your Linux server, the kernel will refuse to load the tbhook module unless it is signed with a key trusted by the system UEFI. You must either sign the module using a Machine Owner Key (MOK) or disable Secure Boot in your environment's bios/hypervisor settings. Reinstallation and Clean Up Procedures