Firefox suddenly stopped playing youtube videos. How do I fix this?
Windows 7 64 bit. Firefox 3.6.15. Youtube had been playing fine here for a year. Suddenly the videos do not play. They do fine in IE. Loading a youtube video produces a blank screen where the video should be, and the error console is filled with messages like this:
Warning: Error in parsing value for 'filter'. Declaration dropped. Source File: http://s.ytimg.com/yt/cssbin/www-core-vfldtJIUN.css Line: 1
Have uninstalled/reinstalled flashplayer and Firefox to no avail. Everything was fine until just recently.
Any ideas?
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Answers in this forum have shown different things have worked for different people.
For some disabling hardware acceleration for Flash helps. To do that right-click on a Flash video, select Settings, go to the first tab of the settings for the option to enable/disable hardware acceleration for Flash. This is something recommended by YouTube for those having problems - http://www.google.com/support/youtube/bin/answer.py?&answer=1209379
Clearing YouTube cookies and the cache has also helped some. For details of how to do that see https://support.mozilla.com/kb/Deleting+cookies and https://support.mozilla.com/kb/How+to+clear+the+cache
Others had to go a step further after deleting YouTube cookies and block YouTube from saving cookies. In the Tools menu select Options to open the Options window. Go to the Privacy panel and make sure it is set to "Use custom setting for history". Click the Exceptions button, type in http://www.youtube.com and click on Block
You can also try changing to the secure YouTube site, https://www.youtube.com
Clearing cookies and cache did it. Thanks a ton.