i had a proplem with copying thing from me cd r.?

Question

i got a cd and when iam copying its data on my pc a mssg at the end of the process saysinvalid ms_dos function


i download friends from the internet and i put it on the cds and when i try to get it back a masg says invalid ms_dos function ex.i open a cd wich contain ep 1 and 2 and 3 and 4 and 5 and when i copy it esps.1 and 2 and3 done but at ep. 4 and the rest it shows this massage invalid ms_dos function so i dont think that the rom has eror cuz i copied from it something els and also the cd cuz some of its data can be copied ....

Answer 1

this cd maybe protect of copy or need to clean
try to use programes like "VirtualDrive" that copy all the cd data and ignore reading problems

Answer 2

write this CD to another CD with other writer speed , then you can use it, this has bad sector.