
While this warning is fairly generic for Internet Explorer, Firefox 3 will distinguish between a certificate issued by the server itself (a self-signed certificate) and another type of untrusted certificate. This issue can also occur if the site has a self-signed certificate. If this is the case, the browser will warn you that the Certificate Authority (CA) who issued the certificate is not trusted. For some sites, the certificate provider is not on that list. The certificate is not trusted because it is self signed."īrowsers are made with a built-in list of trusted certificate providers (like DigiCert). The certificate is not trusted because the issuer certificate is unknown." or "uses an invalid security certificate. Internet Explorer: "The security certificate presented by this website was not issued by a trusted certificate authority."įirefox 3: "uses an invalid security certificate. The following warnings are presented by web browsers when you access a site that has a security certificate installed (for SSL/TLS data encryption) that cannot be verified by the browser. You're better off checking with the place to make sure.Certificate Is Not Trusted in Web Browser Some times your company, schools, extra may do this this as well. In those kind of situations, your better off waiting for a secure internet connection. Like say a coffee shop WIFI, air plane WIFI, airport WIFI, hotel WiFi, extra.

You can also have this kind of error if your using a public internet connection.

You may want to try downloading and installing the latest version of zoom. If this is the case, setting the date and time on your computer can fix the issue. If date and time is wrong, even a few minutes, your computer can't verify the certificate.

One of the reason this can happen, is if the date and time on your computer is off. Which is typically right thing to do when you see a certificate error. If you clicked do not trust, then you didn't send anything to the server.

Certificate errors can happen on any website or apps.
