windows delayed write failed - HELP

> the other day I started getting this message quite alot,
> along with some rattling sounds from my PC..
>
> "windows delayed write failed. windows was unable to
> save data for the D:\$Mft. the data has been lost.
> could be caused by possible failure of computer hardware
> or network connection. try to save file elsewhere."
>
> i looked for this file, and can't find it in the path
> stated.
>
> i've scanned, defragged and checcked for viruses, windows
> updates already and the problem still persists.
>
> I'm at a loss as to how to fix this problem, I've never
> run into this before.