: The challenge version often has these bytes replaced or the "moov" atom shifted to the end of the file. Repairing the Header Open the file in a hex editor.
As BayFiles has officially shut down, the original file is no longer accessible at that URL. If you are attempting this for a current challenge, you may need to obtain the file from a repository like GitHub or an archive.
Do you have the or a hex dump of the file you would like me to analyze for you?