how do i enable burning on windows 7 ultimate have nero 11 installed but occasionally get burnrights message have used nero for years and no probs but now its doin my head in just does lead in and makes a coaster writers fine since putting win 7 on nowt but probs have burnt 1 dvd that has worked and that was backup disc for windows on windows own burning shite programme help me b4 i boot the feck out of it cheers