Are you trying to you remember, or did this file suddenly appear on your computer?
Based on common file-naming patterns for shared media, "(2) New Messages! (1).mp4" appears to be a video file that has been downloaded or saved multiple times, resulting in the bracketed numbers in its title. (2) New Messages! (1).mp4
If you encountered this file as a pop-up or an unexpected download: Are you trying to you remember, or did