Quit looking! I found it.  I don't know how it got there, but I found how to make it go away. Right click on task bar, select tool bars, un-check My Dell.
What did I change to put the My Dell icon on the task bar to the left of the systray?  It wasn't there this morning, but it's there now.    I don't see it listed as a startup program.
My Dell icon on task bar