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Flash doesn't work on PBS website

  • 3 replies
  • 3 have this problem
  • 6 views
  • Last reply by cor-el

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Recently, I installed a new hard drive in my MacBook. I used the opportunity to install fresh copies of everything. When I go to http://www.pbs.org/newshour/bb/politics/jan-june13/shieldsbrooks_06-14.html, all I get is a black screen where the flash video should display. The same problem has happened on other web sites but Flash also works on some web sites. I have had this problem on earlier versions of Firefox and Flash too. I have Apple OS X Snow Leopard v10.6.8 installed. I have installed all the updates available for this version. I am using the latest version of Firefox, v21.0. I am using the latest version of Flash, v11.7.700.225. I have uninstalled both Flash and Firefox and reinstalled them. I have scoured all the Mozilla support web sites, the Adobe web site and I Googled the problem and only found a suggestion to reinstall everything which I have already tried. The PBS web site works fine in both Safari and Chrome. To be honest, I am tired of the Flash problems and the slowness of Firefox. I have to restart Firefox often. Is there anyone who knows how to fix Firefox and Flash?

Recently, I installed a new hard drive in my MacBook. I used the opportunity to install fresh copies of everything. When I go to http://www.pbs.org/newshour/bb/politics/jan-june13/shieldsbrooks_06-14.html, all I get is a black screen where the flash video should display. The same problem has happened on other web sites but Flash also works on some web sites. I have had this problem on earlier versions of Firefox and Flash too. I have Apple OS X Snow Leopard v10.6.8 installed. I have installed all the updates available for this version. I am using the latest version of Firefox, v21.0. I am using the latest version of Flash, v11.7.700.225. I have uninstalled both Flash and Firefox and reinstalled them. I have scoured all the Mozilla support web sites, the Adobe web site and I Googled the problem and only found a suggestion to reinstall everything which I have already tried. The PBS web site works fine in both Safari and Chrome. To be honest, I am tired of the Flash problems and the slowness of Firefox. I have to restart Firefox often. Is there anyone who knows how to fix Firefox and Flash?

Chosen solution

You're welcome.

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All Replies (3)

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That is a CloudFront media player:

Do you otherwise have problems with playing media files?

Does the player load when you click the PBSPlayer.swf link?


Clear the cache and the cookies from websites that cause problems.

"Clear the Cache":

  • Firefox > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox > Preferences > Privacy > Cookies: "Show Cookies"

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do NOT click the Reset button on the Safe Mode start window or otherwise make changes.
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Thanks cor-el for your quick reply. I had emptied the cache and cookies for pbs.org with no change. The PBSPlayer would just not load. So I started in SafeMode and yippee the video played. Then I went through the arduous task of checking AddOns. I disabled FlashBlock 1.5.17 and that wasn't the culprit. Then I disabled AdBlock Plus 2.2.4 and the video played. AdBlock was the culprit. I investigated the preferences and found AdBlock was using a predefined set of filters. I found four pbs.org sites listed so I disabled them. I restarted with all AddOns again and videos finally work. Thanks for your suggestions. I am glad this long running problem is solved. Thanks again.

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Chosen Solution

You're welcome.