Hi Joe, and welcome to the DUC. The Pro Tools LE for Windows: Digi 002 - Digi 001 - Mbox - ToolBox forum is here: That's where you will want to ask. The Mbox Windows XP updates are all in the Downloads section of the website here: Mbox section: The Pro Tools LE 5.3.3 update for Mbox on Windows XP is a free update, as are the other drivers you are looking for: This is probably what you want: WaveDriver v5.3.3 for Mbox on Windows XP: or maybe the ASIO Driver for Windows XP: You can only have one or the other of these drivers installed at the same time.