: You should now be able to open it with any standard video player like VLC, QuickTime, or your phone's gallery app.
: Change the name from _ghsb(1)mp4 to _ghsb(1).mp4 . _ghsb(1)mp4
: This indicates it is a duplicate . Your device or browser likely already had a file with the same name, so it added (1) to avoid overwriting the original. : You should now be able to open
If you do not recognize the source of this file or if it appeared unexpectedly in your downloads, do not open it , as improperly named files can sometimes be used to disguise malware. do not open it