How do I stop gnome's disk-utility from spamming me with disk error messages until my X session freezes?

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http://unix.stackexchange.com – I have a headless computer running ubuntu 11.04 with metacity. I vnc into it every now and again. It has a failing disk attached which I am trying to get some data off. Every now and again a friendly message comes up titled "Disk Utility" saying "Hard disk problems detected" and giving me the option to "Examine", "Ok" or "Cancel" (cool, did not know I could just cancel my hard disk problems). This is useful the first time but it comes up a lot. So often in fact that the next morning my X session has usually been rendered unusable because so many of these dialog windows have popped up. I don (HowTos)