When the Trend Micro Deep Security Notifier displays "," it typically signals a corrupted installation or a critical driver failing to load on the endpoint. This error prevents the Anti-Malware module from protecting the system, even if the main Deep Security Agent (DSA) appears active in the management console. Immediate Troubleshooting Steps
Anti-Malware: Driver offline / Not installed - Deep Security When the Trend Micro Deep Security Notifier displays
: Ensure the server has the latest Microsoft root certificate updates. In some cases, conflicting third-party certificates (like Comodo) must be cleared and reinstalled to allow the Trend Micro drivers to initialize properly. 3. Secure Boot and Kernel Compatibility (Linux) 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