message incorrect function

[globug]

I have a big problems I cannot access my cd roms ofr burner nor my A drive They are enabled and the drivers are all updated, but when I go to My computer it says not accessible incorrect funtion Anyone out there help me ?

[ECA]

1. NEED the name of the drive and model #, laptop or desktop
2. when was last Driver update?
3. how old is comp and CD?
4. what OS are you running. Win 95,98, 98se, me, 2000, 2000se, xp home, xp pro...