> Ok. I misunderstood what the rebuilder does. So is there no way of automatically
> separating good from bad? Do I have to do it manually?


No. What do you mean with separating good from bad. Normally you are able to fix most problems with the scanner to make a bad one a good one. If you want to get rid of incomplete sets, you can use scanner's delete-incomplete option.

Roman Scherzer
ClrMamePro