6.3 When you tried to open a certain file, the following d…

6.3 When you tried to open a certain file, the following dialog box appeared:          6.3.1 What is the most likely ‘problem’ with the file you were trying to open? (1) 6.3.2 If you knew the file was a video, outline ONE way in which you could try to open the file, without following any of the suggestions offered in the dialog box. (1) 6.3.3 Give the name of a utility program, included with the operating system, that you could use to ‘capture’ or copy this screenshot.  (1)