My OS is Windows XP Professional SP1 with all updates applied running on a Compaq Deskpro EN P3 733Mhz with 512MB RAM. I have recently purchased the Bella DV Keyboard to enhance my use of Vegas Video 4.0e and my problem is every time I try to use the scrub control to move forward or reverse rapidly through a single event or multiple events (video/audio or audio by itself or video by itself) the CPU goes 100% and Vegas crashes. Does anyone know how to fix this problem?