If you use Windows 10, onlineTV maybe crash after buffering is startet.
Please update Windows (using Windows Updates) to fix this problem.
If onlineTV is permanently buffering instead of showing a stream, try these steps:
Current working Version is 184.108.40.206
Please select your platform, download the bugfix and run the file ("Execute"), the setup will automatically update your Version:
Date of Information: 07.01.2016