For enthusiasts, these strings are actually helpful. They tell you exactly what you’re getting: a specific version (KOP58), the language (English Subs), and the exact runtime (140:51).
This is the most straightforward part of the string. It indicates that the media file has English subtitles hardcoded or muxed into the video stream. kop58engsub convert014051 min
Ensure the file ends in .mp4 , .mkv , or .avi . If the "convert" part of the name is actually part of the extension, the file may be incomplete. For enthusiasts, these strings are actually helpful