>My DVD burner is a M.a.t.s.h.i.t.a (I inserted the dots because without them it was considered a vulgar word) DVD-RAM UJ-841S ATA device
>
>The day before it worked all right and now I can't create DVDs with it.
>
>With the software I use I receive a "Power calibration error"
>
>I looked a bit with google about that problem and there does'nt seem to be much clear information about this.
>
>So now what should I do?
>
>Could this be in any way something related to Vista?
>
>I mean perhaps I did an update recently on Vista and that is the thanks I got for doing it <g>

If the suggestions of others don't work, just replace the drive. It's not worth spending much time on. Assuming your machine is a desktop, a good replacement DVD burner is ~C$35, one with LightScribe ~C$40.