09/06/26 22:16:38 9oYt+oxU
例のレジストリ追加ってこれ？
[HKEY_CLASSES_ROOT\.mp4]
"PerceivedType"="video"
"Content Type"="video/mp4"
[HKEY_CLASSES_ROOT\.m4v]
"PerceivedType"="video"
"Content Type"="video/mp4"
[HKEY_CLASSES_ROOT\.m4a]
"PerceivedType"="audio"
"Content Type"="audio/mp4"