Visual effect dissolve slowing down

[J. Landman Gay]

I have a series of stacks that use the dissolve visual effect to 
transition from one to another in the same window. My client says that 
recently dissolves that used to take about half a second are now taking 
over 2 seconds. This is on a Windows machine. I haven't made any changes 
to the navigation commands, and the dissolves on my machine run just as 
fast they used to, so I have to assume it is something on his system setup.

Does anyone know what might cause this? QT is installed on his machine.
-- 
Jacqueline Landman Gay         |     jacque at hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com