I agree with Mr Drawn that the TOSHIBA is the area of interest here. Did you install SP3 by the way?
I have a Satellite Laptop myself but never have encountered this error, though it is running Vista and not XP. I do know from experience that TOSHIBA are preloaded with many 'Toshiba' utilities, a lot of them set to start with Windows. It's possible that something preloaded with the TOSHIBA factory settings is conflicting -- restoring will of course load all that stuff again. You might like to remove or at least disable those you never use or don't need (which is pretty much all of them), reboot and see if the problem disappears?
Good luck.
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