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Today I suddenly couldn't play YouTube videos. Upgrading to 47 has not helped.

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  • Last reply by FredMcD

DLJX
DLJX
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I was able to load and watch YouTube videos yesterday. This evening, having touched nothing, suddenly ANY video I try to load is just black, no controls available, no error messages, no sound. Just a black rectangle. The rest of the site behaves normally. I tried upgrading to 47 and this did nothing. I also tried installing the YouTube Flash Player add-on (which seemed like a dubious approach anyway) and this did nothing.

The only error messages I see in the console are "SyntaxError: missing ) in parenthetical" and "TypeError: g.p(...) is not a function."

Any ideas? Nothing I search for on Google yields useful results from any time recently. I don't want to use Safari or Chrome just to watch YouTube. Thanks in advance.

I was able to load and watch YouTube videos yesterday. This evening, having touched nothing, suddenly ANY video I try to load is just black, no controls available, no error messages, no sound. Just a black rectangle. The rest of the site behaves normally. I tried upgrading to 47 and this did nothing. I also tried installing the YouTube Flash Player add-on (which seemed like a dubious approach anyway) and this did nothing. The only error messages I see in the console are "SyntaxError: missing ) in parenthetical" and "TypeError: g.p(...) is not a function." Any ideas? Nothing I search for on Google yields useful results from any time recently. I don't want to use Safari or Chrome just to watch YouTube. Thanks in advance.
Attached screenshots

All Replies (3)

FredMcD
FredMcD
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Youtube currently uses the HTML5 player.

flash:Video

https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues?redirectlocale=en-US&redirectslug=Video+or+audio+does+not+play

https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues

Separate Issue; Your System Details shows;

Installed Plug-ins

Version 5.41.0.0 Version 5.41.3.0
Having more than one version of a program may cause issues. You must remove the older programs. Then get the current full installer.

DLJX
DLJX Question owner
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FredMcD said

Youtube currently uses the HTML5 player.
flash:Video
https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues?redirectlocale=en-US&redirectslug=Video+or+audio+does+not+play https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues

Separate Issue; Your System Details shows;

Installed Plug-ins

Version 5.41.0.0 Version 5.41.3.0
Having more than one version of a program may cause issues. You must remove the older programs. Then get the current full installer.

Sorry, I am confused by this reply. Those first links tell me to make sure I have the right plugin, but I am receiving no information on my end about what plugin is missing for HTML5.

Also, if you saying I need to remove the plugins that have those version numbers, they are Google Talk Plugin and Google Talk Plugin Video Renderer; I don't understand how those are relevant, nor do I know how to remove them.

FredMcD
FredMcD
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DLJX said

I don't understand how those are relevant

FredMcD said

Separate Issue;
Version 5.41.0.0
Version 5.41.3.0

These looked like the same program.

Those first links tell me to make sure I have the right plugin

OpenH264 Video Codec provided by Cisco Systems, Inc.

Type about:addons<enter> in the address bar to open the Add-ons Manager. Hot key; <Control>(Mac=<Command>) <Shift> A)

On the left side of the page, select Plugins. Make sure the ones you want to use are set to Ask or Allow.