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Firefox hangs when javascript is enabled; how can I fix this?

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I've recently had issues with Firefox hanging when visiting many webpages. With javascripts disabled it does not crash.

Things I have tried: Refreshing Firefox Uninstalling and reinstalling Firefox Using safe mode (did not help, still hangs) Updating plugins (all were up-to-date)

Interestingly, the same thing happens with the same pages using Safari, but I'm not sure what this means.

I've recently had issues with Firefox hanging when visiting many webpages. With javascripts disabled it does not crash. Things I have tried: Refreshing Firefox Uninstalling and reinstalling Firefox Using safe mode (did not help, still hangs) Updating plugins (all were up-to-date) Interestingly, the same thing happens with the same pages using Safari, but I'm not sure what this means.

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I understand that Firefxo is hanging even though you have updated. There was another security release for Flash today as they are addressing some major security issues this week.

I would recommend changing your Flash plugin to a click to play status. Go into about:plugins and click "Always Ask to Activate" for your flash player.