To enable debug logging for the Virus Scan Engine:
- Open Registry Editor (regedit.exe).
- Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TMFilter\Parameters.
- Change the value of "DebugLogFlags" to "00003eff".
- Perform the steps that led to the scanning issue you encountered.
- Check TMFilter.log in %windir%.
Note:
Disable debug logging by restoring the value of "DebugLogFlags" to "00000000".