>But a client says that when they installed it on Windows 2000 machine the message came back 'Setup.exe Not A Valid Win 32 Application'. I'm ignorant on this subject. Please educate me.
Do you have any info in the EXE? (like company and version name?) Take those out and recompile again. See if that helps.
"Once again, we come to the Holiday Season, a deeply religious time that each of us observes, in his own way, by going to the mall of his choice." -- Dave Barry