Your hard drive is dying. Get whatever you need off your computer and backed up as soon as you can. Usually they don't last long after they start making noises. Luckily they are cheap. You can get a new 40 gig ATA100 for about a $100.
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"The object of war is not to die for your country but to make the other bastard die for his."
-General George Patton (1885-1945)
Member of CLAN HADB