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Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

when i try to login gmail.com , getting a message -(Error code: sec_error_inadequate_key_usage)

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mail.google.com uses an invalid security certificate. The certificate is not trusted because it was issued by an invalid CA certificate. (Error code: sec_error_inadequate_key_usage)

mail.google.com uses an invalid security certificate. The certificate is not trusted because it was issued by an invalid CA certificate. (Error code: sec_error_inadequate_key_usage)

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This problem usually occurs when your system date and time isn't the same time of the loading server. So I would request you to check your time in your system i.e. Date and Time Settings.

In Case This Problem occurs again.

  • Go to Tools --> Options
  • Now click on the Advanced tab and then on Encryption tab
  • Now click on the Certificates button

Screenshot

  • Click on View Certificates
  • Click Add Exceptions
  • Write the address of the website
  • Confirm the Certificate.

Warning the above method can cause Security risks.

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In case you still have this problem, see this thread regarding how your Kaspersky software may be involved: Firefox says Gmail is an untrusted connection (sec_error_inadequate_key_usage). It does not give me an option to load the page anyway.