private void RemoveUnsubscribedConvertedModpackMusic()
        {
            Debug.Log("[CSLMusic] Removing unsubscribed converted music files ...");

            List <String> dirstoremove = new List <string>();

            if (Directory.Exists(ConvertedMusicPackMusicFolder))
            {
                dirstoremove.AddRange(Directory.GetDirectories(ConvertedMusicPackMusicFolder));
            }

            //Look through folders and look if pluginid exists
            foreach (String folder in dirstoremove.ToArray())
            {
                String foldername = Path.GetFileName(folder);
                String modid      = foldername.TrimStart('_');

                if (ModHelper.PluginIdExists(modid))
                {
                    dirstoremove.Remove(folder);
                }
            }

            //Delete all which are left
            foreach (String folder in dirstoremove)
            {
                Debug.Log("[CSLMusic] ... deleting " + folder);
                Directory.Delete(folder, true);
            }
        }