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Firefox crashes after loading youtube video

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Firefox crashes every time after loading a youtube video. After the crashes, I need to stop firefox manually using the task manager. Furthermore, the task manager indicates many instances of firefox even if only one tab was open. After killing the process, firefox won't start again. The only way to start it is to restart the computer. It is potentially a flash player problem, but even with a downgrade to version 29 the problem can't be solved. I also try a clean re-install of firefox but it hasn't work either...

Is there a known fix to this problem ? Thanks in advance for the answers !

Firefox version i'm using : 65.0.2 (64 bits)

Firefox crashes every time after loading a youtube video. After the crashes, I need to stop firefox manually using the task manager. Furthermore, the task manager indicates many instances of firefox even if only one tab was open. After killing the process, firefox won't start again. The only way to start it is to restart the computer. It is potentially a flash player problem, but even with a downgrade to version 29 the problem can't be solved. I also try a clean re-install of firefox but it hasn't work either... Is there a known fix to this problem ? Thanks in advance for the answers ! Firefox version i'm using : 65.0.2 (64 bits)

Chosen solution

Many have reported issues using the 64bit Firefox. Install the 32bit version from; Download Firefox For All languages And Systems {web link}

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 29.0 r0

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0

More Information

FredMcD
  • Top 10 Contributor
4025 solutions 56242 answers

Separate Security Issue: Update your Flash Player or remove it using these links; Uninstall Flash Player | Windows {web link} Uninstall Flash Player | Mac {web link}

Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version 32.0.0.114

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

'''Separate Security Issue:''' Update your Flash Player or remove it using these links; [http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html Uninstall Flash Player | Windows] {web link} [http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-mac-os.html Uninstall Flash Player | Mac] {web link} '''Note: Windows users''' should download the '''ActiveX''' for ''Internet Explorer.'' '''and''' the '''plugin''' for ''Plugin-based browsers'' (like Firefox). '''Note: Windows 8 and Windows 10''' have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX. Flash Player '''Version 32.0.0.114 ''' https://get.adobe.com/flashplayer/ Direct link scans current system and browser '''Note: Other software''' is offered in the download. <Windows Only> https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) '''Note: Other software''' is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration
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FredMcD
  • Top 10 Contributor
4025 solutions 56242 answers

Helpful Reply

bgabriel said

the task manager indicates many instances of firefox

More than one process is normal for the current Firefox. http://www.ghacks.net/2016/07/22/multi-process-firefox/

Multi-process Firefox is codenamed "e10s". https://wiki.mozilla.org/Firefox/multiprocess

''bgabriel [[#question-1253007|said]]'' <blockquote> the task manager indicates many instances of firefox </blockquote> More than one process is normal for the current Firefox. http://www.ghacks.net/2016/07/22/multi-process-firefox/ Multi-process Firefox is codenamed "e10s". https://wiki.mozilla.org/Firefox/multiprocess
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Question owner

I already tried the lastest version of Adobe flash player (before downgrading) : unfortunately it doesn't solve the problem...

I also tried to unistall the flash player and play a youtube video using only the plug-ing on firefox to avoid conflicts.

All my windows drivers are also up-to-date...

When I check the crash report section, there is no recent report about the problem.

Do you have another potential solution to the problem ?

Thanks in advance

I already tried the '''lastest version''' of Adobe flash player (before downgrading) : unfortunately it doesn't solve the problem... I also tried to ''unistall the flash player'' and play a youtube video using only the plug-ing on firefox to avoid conflicts. All my windows ''drivers are also up-to-date''... When I check the crash report section, there is no recent report about the problem. Do you have another potential solution to the problem ? Thanks in advance
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FredMcD
  • Top 10 Contributor
4025 solutions 56242 answers

Chosen Solution

Many have reported issues using the 64bit Firefox. Install the 32bit version from; Download Firefox For All languages And Systems {web link}

Many have reported issues using the 64bit Firefox. Install the 32bit version from; '''[http://www.mozilla.org/en-US/firefox/all/ Download Firefox For All languages And Systems]''' {web link}
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