Dvd burn error need help on this one



been burning dvds for a long time.just happened yesterday. while leading on I get failed write sectors 768- 799 Int target error.tried 3 diff media sony fuji same thing.checked driver on device man says ok.I keep coastering dvds though once in a while it does work,just installed new dvd decriptor update but then I switched back thinking this had something to do w/it
thanks any help would be greatly appreciated