hello, could you provide your latest few submitted crash reports? please enter about:crashes into the location bar, copy the latest few submitted report ids from there starting with bp-, paste them here into a forum reply. this will give us a better understanding what may be triggering those crashes.

like this?

bp-d9dd37e8-ea44-4d49-9acc-cb81e1171008 08/10/2017 12:58 bp-0d03c39c-980b-4112-8ae0-435de1171008 08/10/2017 12:58 bp-6a9efb9a-6d0e-404b-b5ff-fd8510171006 06/10/2017 20:01 bp-0b9b9c58-58b2-49a8-906c-3ca1a1171006 06/10/2017 14:10 bp-f453e89f-83f0-40a9-83ab-492240171005 05/10/2017 20:49 bp-d3eba040-ec81-4070-ab80-7c77a0171005 05/10/2017 20:13

thanks, can you always reproduce this while you're on youtube or does it happen intermittently?

i would say intermittently, usually when i watch longer videos- just now it crashed at 7-8th minute of a video, but afterwards i watched a 2-3min video and it didnt crash. but it did crash on 2 out of 3 videos today.

if the affected device is a notebook, could you look on the manufacturer's homepage if they offer e newer graphics driver for that model?

No, it happens on my laptop, and only after the latest firefox update. Didnt have any problems before *shrugs*

ok, if there is no graphics driver update available then it should be possible to workaround the crash by disabling hardware acceleration in firefox: Firefox's performance settings

we're looking into the problem in https://bugzilla.mozilla.org/show_bug.cgi?id=1405110

You can also try to set this pref to false on the about:config page.

• media.windows-media-foundation.allow-d3d11-dxva

You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.

• http://kb.mozillazine.org/about:config

im updating my graphics driver, if that does not solve the problem i will try the other suggestions. will let you guys know if it solves the problem or not!

If toggling media.windows-media-foundation.allow-d3d11-dxva then try to disable hardware acceleration in Firefox.

• Options/Preferences -> General: Performance
  remove checkmark: [ ] "Use recommended performance settings"
  remove checkmark: [ ] "Use hardware acceleration when available"
• https://support.mozilla.org/en-US/kb/performance-settings

You need to close and restart Firefox after toggling this setting.

• https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

ah, i think the graphic driver update fixed the crashing problem; thank you very much for your help!

Hi there, I'm having what seems to be the same problem, but I'm not sure how to look for/check the graphic driver which seemed to fix murksiuke's problem. Essentially any time I play a youtube video (on youtube site or a video within another site) the system crashes... The laptop is a Dell Inspiron windows 7 Intel Pentium. Please help? Thanks!