-the FNOrdersProcess doesn't compile and for each of the activity throws one error of this kind " FNOrdersProcess_PD_CheckCreditOKData.OnComplete is PRIVATE to the class FNOrdersPRocess_PD.CechkCreditOKData so it can't be used by a component of the class FNOrdersProcess_PDCheckCredit
This is just a guess, but it sounds like the templates for the workflow model code generator have somehow been corrupted. This is usually caused by an incorrect installation, or perhaps someone was playing with the template file in an attempt to change the generated code.
Regardless, you should do a fresh install of iIS, and try the example again. If you continue to have trouble, you should open a case with Sun customer support.