#15 expired certificate

[Karl schmidt]

Err:7 https://versaweb.dl.sourceforge.net/project/ubuntuzilla/mozilla/apt all Release
Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake: Error in the certificate verification. [IP: 162.251.232.173 443]

I have the key installed as per instructions here:
https://sourceforge.net/p/ubuntuzilla/wiki/Main_Page/

[nanotube]

Hi,
That error is not about the gpg repository signing key, but about the SSL server key on one of the sourceforge file hosting mirrors. that is out of my control, just try again until you get a different mirror.