updated .JPG for a display in the login.fcc - changes works for firefox,chrome but fails for IE11

Document ID : KB000115237
Last Modified Date : 25/09/2018
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Question:
I updated .jpg for a display in the login.fcc. The changes work for firefox,chrome but fails for IE11? 
Answer:
Resave the file as a .jpeg. Update the display in the login.fcc with the .jpeg using Internet Explorer (I.E) Should work. It has before.