(email, social media, or a specific website)? What content do you expect to be in the video? Are you seeing any error messages or suspicious pop-ups ?
: If the file is only a few KB, it is likely a script/virus, not a video. Download File jgwrrqgz2g06.mp4
: Many sites hosting these files use aggressive "Download" buttons that install browser hijackers. (email, social media, or a specific website)