The long-waited v1.05 Windows XP driver of UF series master keyboard is now available! Change log: v.1.0.5 Release Date: 2006-Jan-7 Changed: Compatibility stability improve Changed: Solve the hanging note problem on some computers Please go to download section to download the new driver: download-driver.php If you have any problem of this driver, please post to our forum, thanks for your support. forum/viewthread.php?tid=840