In order to install Fledermaus successfully you will need to have the Windows Media Encoder installed. This is a required component in order to render movies in Fledermaus. This applies to Windows 7, 8.1, and Windows 10 (N or KN) versions which do not include any Windows Media Player or Encoding functionality.
For Windows 7 and 8.1, to download the Windows Media Encoder please click one of the attachments below. For Windows 10, please follow this link: Media Feature Pack for N and KN versions of Windows 10.