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Firefox won't let me use google.

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when I try to open google I get this meage.

Your connection is not secure

The owner of www.google.com.au has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox may only connect to it securely. As a result, it is not possible to add an exception for this certificate.

when I try to open google I get this meage. Your connection is not secure The owner of www.google.com.au has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox may only connect to it securely. As a result, it is not possible to add an exception for this certificate.

Chosen solution

Could you click the Advanced button on that error page and copy/paste the more detailed error information there? This article addresses the most common ERROR_CODE users find there:

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Chosen Solution

Could you click the Advanced button on that error page and copy/paste the more detailed error information there? This article addresses the most common ERROR_CODE users find there:

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www.google.com.au 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

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Thanks. It sounds like the above-linked article might help: How to troubleshoot security error codes on secure websites.