There is a thread in the deals forum Basically since the most recent Softube update prochannel modules are not functioning correctly and attempting to open a project with them in will cause Cakewalk to crash to the desktop. I reported this to Softube who say in their initial response. I have now contacted Cakewalk support with a crash dump in case they can help. For the time being I would recommend against updating Softube products if yo use them in the Pro Channel. A