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Downloaded the newest version, now won't connect to facebook, says it's certificate is invalid, won
Downloaded the latest update, now I can't access facebook and a lot of other sites. The message that facebook has improperly configured its certificate appears, will no allow exception. Re installed, still a problem. Firefox screwed something up with the download.
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There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.
- uses an invalid security certificate SSL_ERROR_BAD_CERT_DOMAIN
- configured their website improperly
How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER
Modified by FredMcD