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i have not updated because your certificate has expired. what should i do?

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i keep getting the popup to update but when i check the certificate,it says it expired october 31,2011. so i am hesitant to update to the latest version with an expired certificate showing up.

i keep getting the popup to update but when i check the certificate,it says it expired october 31,2011. so i am hesitant to update to the latest version with an expired certificate showing up.

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Expired certificate for which domain?

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it says firefox has an update and do i want to make changes to the computer. when i check the certificate,it says it expired oct.30.