I guess that you were using Kee as a link to your KeePass passwords since you’ve been using it for so long. Make sure you have KeePass installed, with the KeePassRPC plugin too, or sign in to your https://keevault.pm subscription account in a pinned tab in your browser if you were using that rather than KeePass.
The troubleshooting guide may also help with other issues that could result in the red OFF sign.