CometBird uses an invalid security certificate

[webpete]

I received a pop-up with the following message.

In the Header of the pop-up window read;

Secure Connection Failed

In the body of the window read;

"update.cometbird.com:443 uses an invalid security certificate.

The certificate is not trusted because no issuer chain was provided.

(Error code: sec_error_unknown_issuer)

This could be a problem with the server's configuration or it could be someone trying to

impersonate the server.

If you have connected to this server successfully in the past the error may be temporary

and you can try again later."

My question is this something to be concerned or is there a fix for this.

Thank you