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Why do I get an error message that tells me I need to close the current session of Firefox. It is open somewhere and I must restart my computer to get past this. Why?

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I cannot open Firefox on my system as a message opens that tells me I must close the session that is currently running. However, I have not opened it and it doesn't show anywhere on my computer that it is open. The error message tells me that I must restart my computer which I have to do to get past this point. Then it works fine after that. I have been using Firefox for about 5 months and it has happened about 6 times now. A bit frustrating I must say. Thank you for your assistance on this matter.

I cannot open Firefox on my system as a message opens that tells me I must close the session that is currently running. However, I have not opened it and it doesn't show anywhere on my computer that it is open. The error message tells me that I must restart my computer which I have to do to get past this point. Then it works fine after that. I have been using Firefox for about 5 months and it has happened about 6 times now. A bit frustrating I must say. Thank you for your assistance on this matter.

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Open Task Manager and click on the Processes tab. Scroll down to "Firefox.exe" , click on that line and click on "End Process" button.

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