After installing Proxmox 4 you’ll probably encounter a popup with the following:
You do not have a valid subscription for this server. Please visit www.proxmox.com to get a list of available options.
If you don’t have a subscription this pop-up can be quite annoying so here’s how to remove it:
sed -i.bak "s/data.status !== 'Active'/false/g" /usr/share/pve-manager/ext4/pvemanagerlib.js