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why can i not get on craigslist.org

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when i try to get on craigslist i get a message certificate not valid

when i try to get on craigslist i get a message certificate not valid

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Please refer to this Mozilla support document for more information on the issue and steps on how to resolve it: "This Connection is Untrusted" error message appears - What to do

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If you can't inspect the certificate via "I Understand the Risks" then try this:

Open the "Add Security Exception" window by pasting this chrome URL in the Firefox location/address bar and check the certificate:

  • chrome://pippki/content/exceptionDialog.xul

In the location field of this window type or paste the URL of the website.

  • retrieve the certificate via the "Get certificate" button
  • click the "View..." button to inspect the certificate in the Certificate Viewer

You can inspect details like the issuer and the certificate chain in the Details tab of the Certificate Viewer. Check who is the issuer of the certificate. If necessary then you can attach a screenshot that shows the certificate viewer.