Most of the issues in Vista and Win7 are due to UAC. Doug Hennig wrote a paper on dealing with them, but I don't have the URL handy.

>Hi Craig,
>
> I think I found the problem. The user changed the color settings in the control panel and didn't realize the impact this would have on the application.
>
>--Just setting _SCREEN may work, but I try to cover all possibilities.
> It appears that setting _SCREEN.Themes to .F. is sufficient, because I changed the Form.Themes to .F. and there was no difference between this form and other forms whose .Themes setting I had not changed. The problem seems to be entirely caused by changing the settings in the control panel.
>
>--There are lots of issues introduced by Vista and carried over to Win7.
> Oh? I didn't know about these, other than Themes. Are these documented or recorded anywhere? Is there a white paper or anything similar? If so, where can I find the white paper or documentation?
>
> Thanks very much for your help with this problem.
>
> Best regards, Chaim