Thank you! We have received the required details. We will work the issue. You may also receive assistance or suggestions from the community members. For testing, you may disable that service in the Task Manager. See this thread which discusses the Dell software.
I have the same question as this, but I did not see an answer. So, I ask again, what is DCFWinService?  
Inspiron 5405, Windows 10, DCFWinService?