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Firefox crashes

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Firefox suddenly crashed on me and will now continually crash on startup after a few seconds (enough to load my home page - Google.ca).

Same effect when opened in Safe Mode.

I also just tried updating Firefox to the latest version and it still crashes.

Didn't install any extensions or userscripts on my last working sessions.

On a Mac. Snow Leopard.

Firefox suddenly crashed on me and will now continually crash on startup after a few seconds (enough to load my home page - Google.ca). Same effect when opened in Safe Mode. I also just tried updating Firefox to the latest version and it still crashes. Didn't install any extensions or userscripts on my last working sessions. On a Mac. Snow Leopard.

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Looks like a font problem.

You can do a check for corrupted and duplicate fonts and other font issues: