Burn wont burn

ive got a mds file of quake.when i try to burn with Alcohol 120% it says dvd not formated.never burns just sit there.what i do wrong.and yes this is the first time using alcohol and dvd burner.thanks for any help

I’m guessing you didn’t read the rules!

well i looked around didnt find any answers to question.so asked here .rules read rules yes so no cd freaks here so this is what i did mounted mds file with alcohol then copyed files to a folder then burn with nero and played the game.as for this crap forum never to come here again.