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how to find a certificat that is over its datum

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gerard-tang
gerard-tang
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By trying to find addons the program gives an outcome that says that the validation certificat is overdue ? How to find an updated certificat and how to put it in ? Gerard

By trying to find addons the program gives an outcome that says that the validation certificat is overdue ? How to find an updated certificat and how to put it in ? Gerard

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cor-el
cor-el
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Check the date and time in the clock on your computer: (double) click the clock icon on the Windows Taskbar.
See Secure connection and security warning error pages in Firefox

You may also need to rename (or delete) the file cert8.db (cert8.db.old) in the Profile Folder to remove all intermediate certificates that Firefox has stored by visiting secure websites.