I don't know what the problem is, Gary. In fact, here's what we do know
about the Red X problem:
RED X instead of graphics
http://www.rdpslides.com/pptfaq/FAQ00064.htm
You will want to make sure everyone has installed SP1 for Office 2003. It
fixes a lot of these weird image display issues also. Open PPT, go to
Help/About, and if you don't see SP1 at the end of the line with the version
of PPT, then go to Help/Check for Updates and install SP1.

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Echo [MS PPT MVP]
http://www.echosvoice.com
> I am in an academic department where we run a Windows XP Professional
> network. Several of us have experienced a problem when our department
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>
> What is the problem with Office 2003 and (some) XP profiles?