Hey, i'm french and i have a very bad english ! But i have update my plesk pannel to 8.4 or 8.6 ( i don't remember me ) I have validate the update avec after 4/5 min i have receive a mail this : The key server refused to update your key. No further tries will be performed. Details: Server response: Key Authorization Problem And my server is down !!! When i'm connet to the ssh i have this : http://www.hostimages.eu/files/2mojimwdynzynkgtd5mq.png Please help me, i have 380GB of files because i'm a french hoster of file ! Thanks for your help.