Our lab has just upgraded to Office 2007 running on Windows XP. I am having trouble with the following sequence:
1 slide Powerpoint (.pps)
display an image file (.jpg)
ask for a scale Response
1 slide Powerpoint Show (.pps)
display an image file (.jpg)
ask for a scale response

It takes 30 seconds for each Powerpoint Show to display (screen is black with a hour glass)

With Office 2003 on my laptop, it is instanteous