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Your certificate contains the same serial number as another certificate issued by the certificate authority; please get a new certificate containing a unique s

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I don't know what to do next, following the statement which appears as my question above. Anybody? Thanks! R.A.S.

I don't know what to do next, following the statement which appears as my question above. Anybody? Thanks! R.A.S.

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More Information

cor-el
  • Top 10 Contributor
  • Moderator
17587 solutions 159099 answers

Try to remove this certificate from the Certificate Manager.

  • Options/Preferences -> Advanced -> Certificates: View Certificates -> Authorities

You can rename the cert8.db file (cert8.db.old) and delete the cert_override.txt file in the Firefox profile folder to remove intermediate certificates and exceptions that Firefox has stored.

If that has helped to solve the problem then you can remove the renamed cert8.db.old file.

Firefox will automatically store intermediate certificates that servers send in the Certificate Manager for future use.

You can use this button to go to the current Firefox profile folder:

Try to remove this certificate from the Certificate Manager. *Options/Preferences -> Advanced -> Certificates: View Certificates -> Authorities You can rename the cert8.db file (cert8.db.old) and delete the cert_override.txt file in the Firefox profile folder to remove intermediate certificates and exceptions that Firefox has stored. If that has helped to solve the problem then you can remove the renamed cert8.db.old file. Firefox will automatically store intermediate certificates that servers send in the Certificate Manager for future use. You can use this button to go to the current Firefox profile folder: *Help -> Troubleshooting Information -> Profile Directory:<br>Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder *http://kb.mozillazine.org/Profile_folder_-_Firefox