Sorry, but the show cannot be joined. You need a special FLATCAST plugin to join the show, which is not yet installed on the PC.
The plugin required is . Viewer F5.3.0Please load the Plugin using the download link below. Afterwards, run through the installation routine. For some browsers it is necessary to restart them after installation.
Help can be found in the Flatcast Forum
User of Google Chrome get more information here
Flatcast Viewer F5.3.0