freezes
Firefox causes computer to freeze, primarily while watching videos on YouTube.
Chosen solution
FredMcD said
Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.
It appears an add-on was the culprit here, namely, OpenH264. Once I disabled it, the video problems went away. This was not an add-on I introduced to my browser, it comes, evidently, with V34 &V35.
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
- Do NOT click the Reset button on the Safe Mode start window
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can check for problems with current Shockwave Flash plugin versions and try this:
- check for 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)
- disable hardware acceleration in the Flash plugin
See also:
Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.
Chosen Solution
FredMcD said
Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.
It appears an add-on was the culprit here, namely, OpenH264. Once I disabled it, the video problems went away. This was not an add-on I introduced to my browser, it comes, evidently, with V34 &V35.
Good work. Well done.