"Bosko" <bgracin@net4u.hr> wrote in message
news:ek1qkd$st2$1@magcargo.vodatel.hr...
> when I start my computer a message appear on the boot screen.
>
> Ide channel 2 master disc S.M.A.R.T. status is bad
> WARNING: imediate backup your hard disc drive, a failure may be immanent
>
WARNING: imediate backup your hard disc drive, a failure may be immanent
WARNING: imediate backup your hard disc drive, a failure may be immanent
WARNING: imediate backup your hard disc drive, a failure may be immanent
WARNING: imediate backup your hard disc drive, a failure may be immanent
WARNING: imediate backup your hard disc drive, a failure may be immanent

Looks pretty clear to me.
Why the h*ll did you try to defrag, instead of trying to Save your data ?.