>I build an application and a forms with pages, grid ,text box which can be run in Win98, Me, vista without any problem. However, same forms and data in Win XP OS sometime can be run but most times comes errors and terminate the application autmatically. and error log told that error happened at tiem on page, form refresh.
>Do anyone know the reason? Please help.

Could you please provide more information? Did you try with Themes disabled?