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Hi, Im not total noob. I did use old energia and Launchpad 2553 on this machine years ago and was good. Bought new LP and got new Energia recently. It wont upload. I get the usbutil: unable to find a device matching 0451:f432 error message tried everythig for two evenings. COM8 only shows, WIN7 pro 64 bit, I loaded the additional driver, USB for the MSP430 UART shows and is said to be working in device manager. Bit lost really - did not want to send the units back to Farnell. Any clues - Steve UK