Try to work with default Windows video driver and no printer driver. Both can cause problems like yours. If the error will not occur anymore, bingo! If not... :)

Vlad

>The only problem with that is that I don't have an app. running when it happens.
>In other words, I'm either working with a form, class, or dbf-dbc. A few times I have only had a project open but not editing any thing. Any other ideas.
>
>TIA
>Jeff