I just nosed around the Fedora updates directory and noticed a couple new ones that hadn't been there earlier - VNC, to be specific. I hadn't received any announcement of them in the Fedora Announce list but that might just be a timing thing. So I glanced down at my RHN Notification icon to see if it showed a red bang but it was still a blue check. Only when I manually told it to "Check for Updates" did it then turn into a red bang and tell me that there were two updates available. Then, after telling up2date to retrieve and install the updates, I received this warning message after it downloaded one of the VNC files: The package vnc-server-4.0-0.beta4.3.2 does not have a valid GPG signature. It has been tampered with or corrupted. Continue? 1) Is the Notification Tool not working? 2) What should I do about that warning? For now, I told it not to continue. 1) Am I going to have to manually tell it to check for updates