error:
Board teensy:avr:cdcsav doesn't define a 'build.board' preference. Auto-set to: AVR_CDCSAV
Board teensy:avr:usbtsav doesn't define a 'build.board' preference. Auto-set to: AVR_USBTSAV
Board teensy:avr:avr1091286 doesn't define a 'build.board' preference. Auto-set to: AVR_AVR1091286
Board teensy:avr:usbtiny1286 doesn't define a 'build.board' preference. Auto-set to: AVR_USBTINY1286
exec: "C:\Users\Bo\Desktop\Arduino IDE\arduino-1.6.8\hardware\teensy/../tools/": file does not exist
Error compiling for board [BootloaderCDC]SAV-MkI.
will try and install teensyduino again