Firefox 28.0, windows 8.1, CNN videos won't play - show blank screen

This only happens with cnn videos. Same problem when using safe-mode. Internet explorer runs these videos ok. Firefox seems to quit before it gets to the video window.

You can check for problems with current Shockwave Flash plugin versions and try this:
*disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)
*disable hardware acceleration in the Flash plugin
See also:
*http://kb.mozillazine.org/Flash#Troubleshooting

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