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Closing firefox (4 or 5) doesnt always kill the process. So later (even hours later) when I try to open up firefox, I get a message that an instance is already running. Its not killing the process. I have to kill it manually.

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closing firefox (4 or 5) doesnt always kill the process. So later (even hours later) when I try to open up firefox, I get a message that an instance is already running. Its not killing the process. I have to kill it manually. This happens on 4 completely different PCs all running Windows 7 64 bit.

closing firefox (4 or 5) doesnt always kill the process. So later (even hours later) when I try to open up firefox, I get a message that an instance is already running. Its not killing the process. I have to kill it manually. This happens on 4 completely different PCs all running Windows 7 64 bit.

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