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Firefox goes unresponsive when watching Netflix or playing certain games on Facebook.

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Firefox goes unresponsive when watching Netflix or playing a certain game on Facebook.

There's no warning, no error messages. On watching Netflix, I click play and everything seems fine then the screen freezes and Firefox is suddenly unresponsive. When this happens I have to close Firefox by whatever means I can either by clicking 'X' or right-clicking up on the menu bar then selecting 'close'. I've even had to use ctrl+alt+delete to close Firefox and a few times my entire computer has froze forcing me to disconnect power. Firefox error reporting never comes up but Windows tries to search for a solution. On opening Firefox again.. sometimes the tab will try to reload and sometimes Firefox can't restore. I don't allow the tab to reload.

The same goes for when Firefox goes unresponsive when playing the game (Farmville) on Facebook.

I have refreshed Firefox. Everything is up to date. I've searched Firefox support and done what is suggested including disabling hardware acceleration on both Firefox and Flash Player. I don't know what else to do. I've tried everything and nothing has helped.

Firefox goes unresponsive when watching Netflix or playing a certain game on Facebook. There's no warning, no error messages. On watching Netflix, I click play and everything seems fine then the screen freezes and Firefox is suddenly unresponsive. When this happens I have to close Firefox by whatever means I can either by clicking 'X' or right-clicking up on the menu bar then selecting 'close'. I've even had to use ctrl+alt+delete to close Firefox and a few times my entire computer has froze forcing me to disconnect power. Firefox error reporting never comes up but Windows tries to search for a solution. On opening Firefox again.. sometimes the tab will try to reload and sometimes Firefox can't restore. I don't allow the tab to reload. The same goes for when Firefox goes unresponsive when playing the game (Farmville) on Facebook. I have refreshed Firefox. Everything is up to date. I've searched Firefox support and done what is suggested including disabling hardware acceleration on both Firefox and Flash Player. I don't know what else to do. I've tried everything and nothing has helped.

Additional System Details

Installed Plug-ins

  • Adobe PDF Plug-In For Firefox and Netscape 11.0.12
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.60.2 for Mozilla browsers
  • Shockwave Flash 18.0 r0
  • 5.1.40728.0
  • Yahoo Application State Plugin version 1.0.0.7

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0

More Information

FredMcD
  • Top 10 Contributor
4274 solutions 59937 answers

Java Downloads for All Operating Systems


Make sure your Java (Not JavaScript) is up to date Verify Java and Find Out-of-Date Versions {web link}

Version 8 Update 60 Release date August 18, 2015


Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?

'''[http://www.java.com/en/download/manual.jsp Java Downloads for All Operating Systems]''' Make sure your Java (Not JavaScript) is up to date '''[http://java.com/en/download/installed.jsp Verify Java and Find Out-of-Date Versions]''' {web link} Version 8 Update 60 Release date August 18, 2015 -------------------- Start '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in Safe Mode]''' {web Link} by holding down the '''<Shift><br> ''(Mac Options)'' ''' key, and then starting Firefox. Is the problem still there?

Question owner

Java is up to date.

I tried Safe Mode and watching a show on Netflix seemed to work but then after a few minutes an error box popped up about silverlight. I clicked continue a few times until the box wouldn't go away for more than a second then I clicked stop and Netflix quit playing then Firefox became unresponsive. I right-clicked, closed Firefox, reopened and then came back here to reply.

Just an added bit of information... videos seem to play fine on youtube and hulu. I didn't try Amazon or Xfinity.

What can I do?

Java is up to date. I tried Safe Mode and watching a show on Netflix seemed to work but then after a few minutes an error box popped up about silverlight. I clicked continue a few times until the box wouldn't go away for more than a second then I clicked stop and Netflix quit playing then Firefox became unresponsive. I right-clicked, closed Firefox, reopened and then came back here to reply. Just an added bit of information... videos seem to play fine on youtube and hulu. I didn't try Amazon or Xfinity. What can I do?
FredMcD
  • Top 10 Contributor
4274 solutions 59937 answers
Microsoft Silverlight https://www.microsoft.com/getsilverlight/get-started/install/default.aspx https://www.microsoft.com/en-us/Search/result.aspx?q=Silverlight Try to remove, then use the full installer.

Question owner

OK.. I tried removing Silverlight then installing again. Although Firefox didn't go unresponsive this time, an error box for Silverlight popped up.

Is there any known compatibility issues with Firefox 40.0.3 and Silverlight?

OK.. I tried removing Silverlight then installing again. Although Firefox didn't go unresponsive this time, an error box for Silverlight popped up. Is there any known compatibility issues with Firefox 40.0.3 and Silverlight?

Question owner

On my next attempt to watch Netflix Firefox went unresponsive again.

Added note that as a last resort I tried IE and everything worked fine.

On my next attempt to watch Netflix Firefox went unresponsive again. Added note that as a last resort I tried IE and everything worked fine.
FredMcD
  • Top 10 Contributor
4274 solutions 59937 answers

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.


Go to the web page. Once the page is loading, mouse to the address bar and Left click the icon. A window for displaying site information should come up. Select More Information. Now select Permissions. In the menu, Make sure the ones you want to use are set to Ask or Allow.

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.''' -------------- Go to the web page. Once the page is loading, mouse to the address bar and '''Left''' click the icon. A window for displaying site information should come up. Select '''More Information.''' Now select '''Permissions.''' In the menu, Make sure the ones you want to use are set to '''Ask''' or '''Allow.'''

Question owner

Needed plugins like Silverlight are set to allow or always activate.

Needed plugins like Silverlight are set to allow or always activate.
guigs 1072 solutions 11697 answers

What is the error message? There is also troubleshooting steps recommended by Microsoft here:

As for the unresponsive script in farmville, there is a new version of Flash available, please update it and post back if it still happens :-)

What is the error message? There is also troubleshooting steps recommended by Microsoft here: *[http://social.technet.microsoft.com/wiki/contents/articles/30387.silverlight-trouble-shooting-installs.aspx] As for the unresponsive script in farmville, there is a new version of Flash available, please update it and post back if it still happens :-)