Problem solved. I started D5 by clicking another project and it opened OK. The inadvertent opening of the original project with D2009 corrupted the D5 project files. Once these D2009 project files were deleted the D5 project then opened without incident.
Jerry _______________________________________________ Delphi mailing list Delphi@elists.org http://lists.elists.org/cgi-bin/mailman/listinfo/delphi
