then I reset the machine and open makecd again bom! it cant read!
You mean after reseting the AMiGA, the CD just burnt, cannot be read neither by Amiga CDFS, nor by the MakeCD?
-MakeCD target CD-R->Repair CD-R
Try to experiment yourself with CDRWs, so you save some CDs from being wasted.
Tip: Make sure you have the latest demo, or a registered version, else you'll always get faulty CDs. ;-)
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OLD MAN TUBES