Is it possible to show the code you are using?
This sounds like it is either install error being as your program errors out on one specific Windows XP machine and not the others or it can be that the program that is giving you an error is flawed when you insert this code (maybe it is failing to call the module. But then again, one cannot be sure until what you're working with can be seen.
Es gibt mehr im Leben als Bücher, weißt du. Aber nicht viel mehr. - (Die Smiths)"