Since the update to 38.0.5, I get script does not error messages whenever I have play a video on youtube.

8.1 - the windows up to date. Updated video driver. Connect Flash to date.

I tried to disable the protected mode, no effect.
Everything works great until I updated to FF.
Very annoying bug. Help please?

Are you sure protected mode is disabled? Firefox has a setting hidden for this moment, where you manually edit a file mms.cfg:

(A) in a new tab, type or paste Subject: config in the address bar and press ENTER. Click on the button promising to be careful.

(B) in the search above the list box, type or paste the flash and make a pause so that the list is filtered

(C) double-click the preference dom.ipc.plugins.flash.disable - protected mode to change its value from false to true.

It cannot take effect until all the Flash was discharged for a few minutes, or you close Firefox.

Firefox can read WEBM and OGG video natively in the HTML5 player without outside help, but it uses Windows Media Foundation to play the MP4 video. There are some settings in Firefox to disable it; users who download MP3s sometimes easily changed these settings. Here's how you can check your:

(1) in a new tab, type or paste Subject: config in the address bar and press ENTER. Click on the button promising to be careful.

(2) in the search above the list box, type or paste the media and make a pause so that the list is filtered

(3) {for Windows newer than XP} if the preference media.windows - media - foundation.enabled is in bold and user set to 'false', double-click to go to true

(4) {for Windows XP} If media.directshow.enabled preference is in bold and user set to 'false', double-click to go to true

If you have changed these settings, does make a difference in this YouTube Player used you? I'm not sure if the change takes effect immediately or after leaving Firefox and start it again.

Users in Europe may need the Windows Media Feature Pack for Windows 8.1, but if your Windows is shipped with Windows Media Player, and then which probably does not apply to you. See:

Tags: Firefox

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