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YouTube videos don't play with Firefox 41

Posted

After updating to Firefox 41.0, videos don't play on YouTube, just a continual rotating loading symbol. OS is Windows 7.

After updating to Firefox 41.0, videos don't play on YouTube, just a continual rotating loading symbol. OS is Windows 7.

Additional System Details

Installed Plug-ins

  • Adobe PDF Plug-In For Firefox and Netscape 10.1.15
  • CANON iMAGE GATEWAY Album Plugin Utility Module
  • Intel web components for Intel® Identity Protection Technology
  • Intel web components updater - Installs and updates the Intel web components
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.31.2 for Mozilla browsers
  • McAfee MSC FF plugin DLL
  • McAfee Virtual Technician plugin
  • 2.0
  • The plug-in allows you to open and edit files using Microsoft Office applications
  • Office Authorization plug-in for NPAPI browsers
  • PlayStation(R)Network Downloader Check Plug-in
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • Shockwave Flash 18.0 r0
  • 5.1.40728.0
  • NPWLPG

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0

More Information

FredMcD
  • Top 10 Contributor
4246 solutions 59390 answers

Update your Flash Player Version 19.0.0.185
https://www.adobe.com/products/flashplayer/distribution3.html
Note: Windows users must download the “Internet Explorer” and “Plugin-based browsers” installers.

Note: Edge on Win10 does not use ActiveX version but its own Flash.

See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration


Issues have been previously linked to the McAfee Site Advisor extension. Try to disable it and see if the problem persists.

http://service.mcafee.com/faqdocument.aspx?id=TS100162 How to uninstall SiteAdvisor

To disable it: Type "about:addons" in the Location bar Find the extension and click on its "Disable" button

Update your Flash Player '''Version 19.0.0.185<br>https://www.adobe.com/products/flashplayer/distribution3.html''' '''Note: Windows users''' must download the “Internet Explorer” '''and''' “Plugin-based browsers” installers. Note: Edge on Win10 does not use ActiveX version but its own Flash. See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration ---------------- Issues have been previously linked to the McAfee Site Advisor extension. Try to disable it and see if the problem persists. http://service.mcafee.com/faqdocument.aspx?id=TS100162 How to uninstall SiteAdvisor To disable it: Type "about:addons" in the Location bar Find the extension and click on its "Disable" button

Question owner

Thanks -- updating Flash solved this problem.

Thanks -- updating Flash solved this problem.
FredMcD
  • Top 10 Contributor
4246 solutions 59390 answers

Glad to help. Safe sufing.

Glad to help. Safe sufing.

Question owner

This problem has now returned all of a sudden, without anything else changing -- any advice? YouTube videos were playing fine half an hour ago, now nothing does.

This problem has now returned all of a sudden, without anything else changing -- any advice? YouTube videos were playing fine half an hour ago, now nothing does.
FredMcD
  • Top 10 Contributor
4246 solutions 59390 answers

I am sorry to hear that  :-/

A post was flagged as Solved Problem. Please remove that flag. If you don’t, others that can help may not read this post.

check this:

  • see if there are updates for your graphics drive drivers

https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

  • disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)

https://forums.adobe.com/message/4468493#TemporaryWorkaround

  • disable hardware acceleration in the Flash plugin

https://forums.adobe.com/thread/891337 See also:

I am sorry to hear that :-/ A post was flagged as '''Solved Problem.''' Please remove that flag. If you don’t, others that can help may not read this post. check this: * see if there are updates for your graphics drive drivers '''https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration''' * disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later) '''https://forums.adobe.com/message/4468493#TemporaryWorkaround''' * disable hardware acceleration in the Flash plugin '''https://forums.adobe.com/thread/891337''' See also: * '''http://kb.mozillazine.org/Flash#Troubleshooting'''
Melon 0 solutions 29 answers

I've been having the same problem watching Youtube videos, and after going round and round with uninstalling/reinstalling Adobe Flash, etc., etc., I stumbled upon this article: http://thenextweb.com/insider/2015/07/14/firefox-rings-the-death-knell-for-flash/

I've also (perhaps coincidentally) been having problems watching PBS videos when I never had problems there either. Something fishy is going that either no one knows about, OR won't say because too many people are having the same problem, with no solution.

I've been having the same problem watching Youtube videos, and after going round and round with uninstalling/reinstalling Adobe Flash, etc., etc., I stumbled upon this article: http://thenextweb.com/insider/2015/07/14/firefox-rings-the-death-knell-for-flash/ I've also (perhaps coincidentally) been having problems watching PBS videos when I never had problems there either. Something fishy is going that either no one knows about, OR won't say because too many people are having the same problem, with no solution.
Melon 0 solutions 29 answers

Melon said

I've been having the same problem watching Youtube videos, and after going round and round with uninstalling/reinstalling Adobe Flash, etc., etc., I stumbled upon this article: http://thenextweb.com/insider/2015/07/14/firefox-rings-the-death-knell-for-flash/ I've also (perhaps coincidentally) been having problems watching PBS videos when I never had problems there either. Something fishy is going that either no one knows about, OR won't say because too many people are having the same problem, with no solution. PS I can watch Youtube videos just fine using IExplorer...AND, the advice to "refresh" Firfox to solve that problem only served to lose all my add-ons, bookmarks and passwords, for which I'm now paying dearly....
''Melon [[#answer-803040|said]]'' <blockquote> I've been having the same problem watching Youtube videos, and after going round and round with uninstalling/reinstalling Adobe Flash, etc., etc., I stumbled upon this article: http://thenextweb.com/insider/2015/07/14/firefox-rings-the-death-knell-for-flash/ I've also (perhaps coincidentally) been having problems watching PBS videos when I never had problems there either. Something fishy is going that either no one knows about, OR won't say because too many people are having the same problem, with no solution. PS I can watch Youtube videos just fine using IExplorer...AND, the advice to "refresh" Firfox to solve that problem only served to lose all my add-ons, bookmarks and passwords, for which I'm now paying dearly....
FredMcD
  • Top 10 Contributor
4246 solutions 59390 answers

Refresh Firefox {web link} is a LAST RESORT ! !

Refresh Firefox - reset add-ons and settings

If you're having problems with Firefox, refreshing it can help. The refresh feature fixes many issues by restoring Firefox to its default state while saving your essential information like bookmarks, passwords, and open tabs.


These can't get your data back, but will help in the future.

These add-ons can be a great help by backing up and restoring Firefox

FEBE (Firefox Environment Backup Extension) {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backup of files that you choose.

OPIE {web link} Import/Export extension preferences

'''[https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings Refresh Firefox]''' {web link} is a '''LAST RESORT ! !''' Refresh Firefox - reset add-ons and settings If you're having problems with Firefox, refreshing it can help. The refresh feature fixes many issues by restoring Firefox to its default state while saving your essential information like bookmarks, passwords, and open tabs. ----------- These can't get your data back, but will help in the future. These add-ons can be a great help by backing up and restoring Firefox '''[https://addons.mozilla.org/en-US/firefox/addon/febe/ FEBE (Firefox Environment Backup Extension)]''' {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backup of files that you choose. '''[https://addons.mozilla.org/en-US/firefox/addon/opie/ OPIE]''' {web link} Import/Export extension preferences
FredMcD
  • Top 10 Contributor
4246 solutions 59390 answers

Melon said

I stumbled upon this article: http://thenextweb.com/insider/2015/07/14/firefox-rings-the-death-knell-for-flash/

That is a very old article. The current flash is safe.


  • see if there are updates for your graphics drive drivers

https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

  • disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later)

https://forums.adobe.com/message/4468493#TemporaryWorkaround

  • disable hardware acceleration in the Flash plugin

https://forums.adobe.com/thread/891337 See also:

''Melon [[#answer-803040|said]]'' <blockquote> I stumbled upon this article: http://thenextweb.com/insider/2015/07/14/firefox-rings-the-death-knell-for-flash/ </blockquote> That is a very old article. The current flash is safe. ----------- * see if there are updates for your graphics drive drivers '''https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration''' * disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later) '''https://forums.adobe.com/message/4468493#TemporaryWorkaround''' * disable hardware acceleration in the Flash plugin '''https://forums.adobe.com/thread/891337''' See also: * '''http://kb.mozillazine.org/Flash#Troubleshooting'''

Question owner

OK, so this has just happened again right now. After a morning of browsing normally and playing videos, all of a sudden nothing plays. Someone asked for a screenshot, so here's a really helpful image of YouTube not working -- the loading symbol just turns around.

This *never* happened until the Firefox update.

OK, so this has just happened again right now. After a morning of browsing normally and playing videos, all of a sudden nothing plays. Someone asked for a screenshot, so here's a really helpful image of YouTube not working -- the loading symbol just turns around. This *never* happened until the Firefox update.
FredMcD
  • Top 10 Contributor
4246 solutions 59390 answers

I've called the big guys to help you. Good luck.

I've called the big guys to help you. Good luck.
guigs 1072 solutions 11697 answers

A new version of flash came out yesterday, not to throw a monkey wrench (yesterday). Please update your plugins to the latest version. Check to make sure you are up to date:

If you see any issues also see:

A new version of flash came out yesterday, not to throw a monkey wrench (yesterday). Please update your plugins to the latest version. Check to make sure you are up to date: *[https://www.mozilla.org/en-US/plugincheck/] If you see any issues also see: *[[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]