>No, but.... The above error was from my office

So.. IT that manages the certs and the gateway, use a MIMT 'attack' to decrypt all your traffic, scan/read it, and then encrypt it again to send it out to the wilderness of the Internet. This is what the browser is messaging. Notifying you that "something is wrong with the connection. Browser is not sure what exactly, thus pointing the finger on the certificate.

Perhaps someone can explain the above with more technical terms, but in a nutshell, our companies, on our corporate desktops/laptops sniff through each and every bit and byte that goes in and out of our machines.

A commom workardound "permanent accept this exception" (or similar wording) makes the browser to stop complaining about this breach of privacy.