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I have installed Firefox Aurora channel. After updating it will no longer start - Task Manager shows Firefox is running but I don't see any window.

How can I fix this?

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What operating system? – Simon Sheehan Jun 11 '11 at 18:38
@Simon: Windows 7 – user Jun 11 '11 at 18:54
Silly question, didn't notice. Just started in the safe mode. Applied update again. Everything is ok. Should have tried it before. – user Jun 11 '11 at 21:09

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