Videos are not playing.
For best video playback, we recommend installing the LAV Filters Codec Pack.
Additionally, you should also install the latest drivers for your graphics card.
Please also make sure that your video files are using a video codec that is supported on your system.
If this does not help or if you experience any issues when playing videos, you can try to disable the WPF hardware acceleration using the FrontFace Lockdown Tool. To do so, simply start the FrontFace Lockdown Tool from the Windows start menu and navigate into the section "Continuous Operation". Then check the option "Disable WPF hardware acceleration". Finally click on "Apply" and reboot your PC.