Below is a sample alert showing that the ACS Verification failed:
If the alert link is clicked, the following information will be seen:
Below is a sample error from the MSI log:
Azure Code Sign (ACS) Verification Failed (error: 0x577). The KB for ACS is probably required.
For more information, please refer to: IMPORTANT BULLETIN: Trend Micro Server and Endpoint Protection Agent Minimum Windows Version Requirements for Updated Binaries After Mid-February 2023