Stream error: "Waiting for video"

Firefox
Extras -> Einstellungen -> Anwendungen -> MP3-Datei -> vlc.exe
????
Tools -> Options -> Applications -> ... vlc.exe
glamjam

• Deinstall VLC Media Player
• Delete all VLC-files you find under "Program Files/VideoLAN"
• Shutdown and start again
• Install VLC again and do not activate the Mozilla plugin

Now the black box "Waiting for video" does not appear.