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Firefox won't open my PayPal account. There is a message about security certificates

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I am having a lot of trouble with security certificates for different sites. Messages keep coming up about invalid security certificates and it isn't true. I have to check my PayPal account and I can't get into it. eBay also register as invalid security certificates.

I am having a lot of trouble with security certificates for different sites. Messages keep coming up about invalid security certificates and it isn't true. I have to check my PayPal account and I can't get into it. eBay also register as invalid security certificates.

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Make sure that your security software isn't intercepting secure connections and send its own certificate.

You can retrieve the certificate and check who issued the certificate.

  • Click the link at the bottom of the error page: "I Understand the Risks"

Let Firefox retrieve the certificate: "Add Exception" -> "Get Certificate".

  • Click the "View..." button to inspect the certificate and check who is the issuer and other details.