Symptoms

file_protector.sys consumes nonpaged memory pool until the computer eventually becomes unresponsive.

Solution

Update Acronis Agent to the latest build available. The newest product builds always contain latest improvement and fixes.

If the issue reproduces with the latest build, collect:

• Acronis system report
• Process monitor log
• dump file of active_protection_service.exe
  procdump -ma -s 5 -n 3 active_protection_service.exe

and contact Acronis support.