Hi Rajani,

in your first message, you wrote 'clients', so I was confused. When you now write that it only concerns one client, I am pretty sure it is a video driver issue. Ask your client to get a newer video driver.

>Thanks for the post Kamil
>
>we have tool bar in our app and it is what mostly going black.
>We never had this situation before.It happened only after we moved to vfp8 from vfp6.
>and it happening with 1 client only.