Here's what happened. I sent a file from my computer that was too large for the memory, when it filled the memory, the machine shut down, and the screen went to dos, and said that you need to power down and back up to restart the controller. Did this, and it took forever to boot up. When it did come up, it went directly into dos. Can I delete the program file while in dos to free up memory? Will the software start when I power down/up the machine after doing this? HELP!!!!!!!!!!!!!!! New to milltronics.