Microsoft Antimalware Real-Time Protection feature has encountered an error and failed.
Feature: On Access
Error Code: 0x80070006
Error description: The handle is invalid.
Reason: The filter driver was unloaded unexpectedly.
cd C:program filesMicrosoft Security Client
Navigate to C:ProgramDataMicrosoftMicrosoft Antimalware
Rename “Definitions Update” folder to “Definitions Update.old”
Restart the Microsoft Antimalware Service (MsMpSvc) on the server.
Selected “Update Definitions” after about 10 minutes of the server being operational to verify that the fix worked.