This image shows the Operating System Images section of the Infrastructure Settings page. 

Under Linux Image, there are the following:
--A switch for Markeplace Image, which is set to No.
--A field for Image OCID. There is a red exclamation mark beside this field.

Under Windows Image, there are fields for Image OCID, with a a red exclamation mark, and Image Name. The fields are surrounded by a red border.