At first glance, it looks like a typo. A ham-fisted keyboard mash. Perhaps a corrupted download from a long-dead Linux repository ( kdenlive + xe ? KDE + anxe ?). But those who have stumbled upon it—usually via a broken link on a Russian torrent index or a single line in a .txt file buried in a Usenet archive from 2003—describe an almost gravitational pull.
: The scenery includes custom-designed terminal buildings, realistic gate assignments, and improved taxiway textures to match the real-world layout of Denver International. kdenxe.zip