if you are getting i/o errors with your hard disk I would seriously recommend you back up your data and do a full burn in test of your hard drive (ie through the WD proprietry software not through windows)..go to their website.
Also check the SMART status of the hard disk in the bios. If you havent enabled it then do so in the Bios. This usually warns of impending disk failure.
Chances are the problem though internittent for now, may get worse...........and i found out the hard way...so be prepared.
Ep, glad to see you come back and tidy up...did want to ask a one day favor, I want to enhance my resume , was hoping you could make me administrator for a day, if so, take me right off since I won't be here to do anything, and don't know the slightest about the board, but it would be nice putting "served administrator osnn", if can do, THANKS