hi, i like to use my own ErrorSys where i can include Information of App e.g. Version() i found c:\fwh64\source\function\errsysw.prg c:\fwh64\source\function\errsysw_.prg c:\fwh64\source\function\fwerror.prg which to use :?: --- how to include own Errorsys :?: i guess i ...