I am on Parallels 3.0 and build 5582. Whenever I am using Parallels or even if it is open and not being used I get a message that says approximately "Parallels has detected a USB device Printer C301 has been turned on" - and the printer has been on all the time. I was working with another application but the window was open and I had so many messages I had to literally hold the power switch down to restart the computer. Additionally, during that time my keyboard quit working too. I suspect because of memory. Even though I have 2 Gig of Memory in MacBook. I need to get these messages stopped if at all possible or if they are necessary then only give it to me one at a time. Randal