Visual Effects in Windows

[Judy Perry]

Hi,

A couple of my students have reported that visual effects aren't working
in Rev 2.1 under Windows.

Has anyone else experienced this?  Should I query them as to OS specifics
or is this is known thing (sorry; I don't have access to a Windows box
and we work in our Mac lab where the visual effects work fine).  I think
at least one of them is using XP.

Thanks for any light anyone can shed,

Judy