> Fired after call a OCX method. I can perform same operation several
>times, sometimes it works, sometimes program fires this
>message and close itself.
> In debug mode this situation never happend.
> When I tryed to debug this situation from M$ VC++, VC
>shows me regular "Access violation" in VFP6R.dll.
> It mean that subj - is a internal FoxPro error! Do you
>know a solution?

You have this OCX developed yourself? The problem may be in wrong calling convention used. For instance, FoxAPI functions use _fastcall convention.