vm failed to start

Im running on prox mox 4.2-5, When I tried to boot a VM I had offline it started throwing an error Failed to start VNC server: The server certificate /etc/pve/local/pve-ssl.pem has expired I run pvecm updatecerts -f and systemctl restart pveproxy pvedaemon when I refreshed the web insterface...

Dear SME, I had a machine freeze on master node in 4 node HA cluster. One of my new VM migrated to other node but it failed to start since it still had iso in cd rom and other node did not had that iso available locally. The VM went into error state. I took it out of HA but it still wont start...