Virus Scan Engine Logs

To enable debug logging for the Virus Scan Engine:

  1. Open Registry Editor (regedit.exe).
  2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TMFilter\Parameters.
  3. Change the value of "DebugLogFlags" to "00003eff".
  4. Perform the steps that led to the scanning issue you encountered.
  5. Check TMFilter.log in %windir%.

Disable debug logging by restoring the value of "DebugLogFlags" to "00000000".