Acronis Backup: "Active Protection service not working" alert

Why this alert is displayed:
Active Protection protects a system from malicious software known as ransomware, which encrypts files and demands a ransom for the encryption key. This alert appears when Acronis Active Protection service has been enabled for this machine, but is not started or is disabled.

When the alert is deactivated:
This alert is deactivated once Active Protection service started successfully and driver is enabled