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

: Perform a manual uninstallation. Go to Device Manager , enable "Show hidden devices," and under Non-Plug and Play Drivers , uninstall tmactmon , tmcomm , and tmevtmgr . Reboot the machine before attempting a fresh installation of the latest agent version. 2. Certificate and Digital Signature Issues

Before performing a full reinstallation, try these quick fixes: : Perform a manual uninstallation

Outdated root certificates on Windows servers can prevent the system from verifying the digital signatures of Trend Micro drivers. Anti-Malware: Driver offline / Not installed - Deep

A failed update or partial uninstall often leaves behind registry keys that block new drivers from installing. Agentless Protection (VMware Environments)

Anti-Malware: Driver offline / Not installed - Deep Security

: Check your kernel version against the Trend Micro Support Matrix . If Secure Boot is enabled, you must enroll the Trend Micro public key to allow the driver to load. 4. Agentless Protection (VMware Environments)