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cant access gmail "your connection is not secure"

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mozilla will not let me access facebook, gmail or any general search!!! "mail.google.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. Error code: SEC_ERROR_UNKNOWN_ISSUER:

SUCH A LOT OF FUSS!! SHould i just change to another engine?

mozilla will not let me access facebook, gmail or any general search!!! "mail.google.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. Error code: SEC_ERROR_UNKNOWN_ISSUER: SUCH A LOT OF FUSS!! SHould i just change to another engine?

Solution choisie

Well, if you like Firefox, take a few minutes to get to the bottom of it. Usually it's a temporary incompatibility with your security software that causes the message. Could you check the following article and see whether that points to the culprit:

How to troubleshoot security error codes on secure websites

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Solution choisie

Well, if you like Firefox, take a few minutes to get to the bottom of it. Usually it's a temporary incompatibility with your security software that causes the message. Could you check the following article and see whether that points to the culprit:

How to troubleshoot security error codes on secure websites