There must be some settings you are using in your development environment. They are not part of your exe. I'm sure there's something simple that you are missing

>I just checked the form's datasession setting, and it was set to "1 - default", so that's not it. I haven't made any changes to the forms or code since upgrading from VFP7, and it worked fine there. And it works fine on my computer. Just not on any computer that runs in the runtime environment.