If this file was sent via an unsolicited email or downloaded from a suspicious site, delete it and empty your trash. Check for and remove duplicate file extensions in same file
Enable "Show file extensions" in your operating system's settings to see the full, true name of every file. FIFA World Cup Highlights.mp4.mp4
Clicking to "play" this video could instead trigger the installation of ransomware, spyware, or other harmful software. How to Protect Yourself If this file was sent via an unsolicited