Hi all ,I am a newbie to linux ,so please help me out of this sticky situation.(Ubuntu 9.10)Today update manager notified me to update and i updated to a new kernel version and i restarted the system and selected the new kernel to boot .But it just restarted.Then i tried the recovery mode,then also the same thing happened.then i chose the previous version and it booted without any problem also now when i check for updates the update manager shows the following message