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Firefox crashes

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Every time I open Firefox, it crashes before it loads a web page. I moved Firefox from my Applications folder to the Trash folder and re-installed Firefox. The problem still occurs. I've tried to launch Firefox in safe mode, but it will not open. It crashes sooner when I try that than it does in the normal mode.

Every time I open Firefox, it crashes before it loads a web page. I moved Firefox from my Applications folder to the Trash folder and re-installed Firefox. The problem still occurs. I've tried to launch Firefox in safe mode, but it will not open. It crashes sooner when I try that than it does in the normal mode.

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