>I have an application written in VFP 3.0 and I am using MSACAL70.OCX for calendar features within my application.
>When I run the application on my customer's PC, the OCX display is dark and does not display the colors at all.
>It works fine on my machine.
>
>If anybody has an idea, please help..Thanks.

Just a idea, I have had similar problems when colors of controls matched windows colors set by user. Maybe try changing users windows colors and if that works add code to change control in program.