WPF popwindows open in the upper corner of the screen

Question

Hello,

We're creating a WPF application with VS2010 and .Net 4.0. For some reason on one computer (XP sp3) all pop windows display in the upper left corner of the screen. The pop windows I'm talking about are tooltips, menu's, combo box lists etc.

What would cause this?

Thanks,

Brad

Answer 1

I think we came to the conclusion that it's a video driver problem. The application works on all other PC's.