How to recover a crashing Firefox

Tonight, Friefox crashed while I had a lot of tabs open.  I’m talking about a hundred tabs, and some were important.

So, when firefox started up again, it asked if it should restore all the tabs.  I said yes, and watched as it opened all 100+ pages simultaneously.

Firefox immediately slowed to a crawl and stopped responding.  I thought I might be able to sneak in and close some tabs before it became stuck, but It was frozen and chewing up memory.  When it eventually crashed, the same process would repeat on startup.

So, I unplugged the ethernet cable.

Suddenly, firefox unfroze, all the tabs were responsive, and I was able to close a lot of pages.  I then plugged the ethernet back in, refreshed the remaining pages, and was rolling.

I had suspected it was javascript or flash videos causing the problem, but it seems to be something about how it blocks when communicating.

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