Some PCs mandate we install MSUAA after the motherboard drivers but before the audio drivers or no sound for you. Since I see so little detail I'm going to share the most common XP install goof I encounter.

A link will follow for a specific PC that I use as an example.

You bring up a good point. Do you think that a decade later that this issue should have been fixed?

Read the link after.
Bob

-> http://forums.cnet.com/7726-7587_102-2699006.html