What is mbp?

nvnayda wrote:

my computer says Nayda’s-map certificate is not trusted. What does that mean?

Sounds like the certificate has expired.

Is this a personal machine or a company machine bound to Enterprise, mobile, active directory list?

Add certificates to a keychain using Keychain Access on Mac ...

Determine if a certificate is valid using Keychain Access on Mac

Normally in these Forums MBP means MacBook Pro.

https://discussions.apple.com/thread/7753286