>>Michelle, could their EXE have a VCX that was not re-compiled in VFP5? I can't imagine this could be compiled into the EXE, but......
>
>I don't know. What's a VCX?
>
>Thanks,

Extension for a class library. If you only use the standard Class library toolbar and no other form controls when designing your forms, you probably don't have any VCX files in your project.