Symptoms

Acronis Active Protection stops on its own.

"Application error" event about anti_ransomware_service.exe is recorded in Windows Application event log (open Windows Start menu, type eventvwr.msc, press Enter, navigate to Windows Logs - Application).

Cause

Known issue with the software. The application crash occurs when the software is unable to parse configuration files.

Solution

This issue has been fixed in Acronis True Image 2020 Update 3 (Build 25700), please update to the latest build.

In case you cannot install the latest update for some reason, as a workaround the issue can be fixed by replacing Acronis Active Protection configuration files with default ones.