As some of the say in this forum in possible to work with midi communication errors I'm have set it up my virus TI Polar with my system Logic 9 and from the first day I get midi issue loosing midi communication and Midi overload all sounds start playing even logic is stopped I just don't believe that Virus is so expensive and we pay lots of money for it to enjoy the Virus but all apposite you start running lots of issues and you loos your creativity if next few months this midi communication issue is not solved with the new software update I'm selling my Virus Polar coz is just not wort the time you spend just trying to fix virus midi issues I have only virus connected on my computer as main controller and sound sours but can even make it work the most simple thing MIDI communication , hop the team that works on this kind of issues red this and fix this ASAP //// I HOPE ////