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When I close out Firefox 4, it seems to continue running in background, requires me to restart computer.

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When I close Firefox4 and try to re-open the application, I get a message that Firefox is still running and that I have to close the application or restart my computer. If I go to task manager, it does not show Firefox as an open application.

When I close Firefox4 and try to re-open the application, I get a message that Firefox is still running and that I have to close the application or restart my computer. If I go to task manager, it does not show Firefox as an open application.

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