microsoft are assholes, end of story.
You may think u r insignificant, but really, it wouldnt suprise me is they took action for using their indicia.
Like for gods sakes i got an email from EA saying it was a breach of Copyright to use the words C&C, Command and Conquer or Command & Conquer in my mod!!!
So I had to change it to Command n Conquer
Face it, as massive multinational game companies get bigger and richer, they get all high up on their pedastals and think its their right to mop the floor with the very loyal customers and fans who put them where they are!!
I bet Westwood wouldn't have cared if I used the name C&C in a mod of that exact same game...