QuickTime is a popular multimedia developed by Apple Inc that supports a wide range of image, video, and audio file formats. However, at times while trying to open or play MOV files, you may often encounter an “Error -2048: Couldn’t open the file because it is not a file that QuickTime understands. This error usually disrupts the playback of your media files. Fortunately, there are some effective ways available in this post that can help you repair QuickTime MOV file error 2048.