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Temporary files rather than firefox.exe are running when starting firefox

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When I start firefox, it says the firefox is already running. Old firefox process needs to be stopped to start new one. When I see the firefox process and try to end it using end process option in windows task manager, it says access is denied. The properties of the said process show temporary file running rather than firefox,exe.

When I start firefox, it says the firefox is already running. Old firefox process needs to be stopped to start new one. When I see the firefox process and try to end it using end process option in windows task manager, it says access is denied. The properties of the said process show temporary file running rather than firefox,exe.

Chosen solution

Please try to follow these steps : [http://mzl.la/1BAQRzf]

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Chosen Solution

Please try to follow these steps : [http://mzl.la/1BAQRzf]

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Thank you very much INef.