the problem definitely looks like it is to do with bluetooth even when it isn't being used to do the syncing, i'd forgoten i had a bluetooth dongle in this machine, unplugging it and removing rfcomm, usbserial and visor then trying to sync worked
the problem definitely looks like it is to do with bluetooth even when it isn't being used to do the syncing, i'd forgoten i had a bluetooth dongle in this machine, unplugging it and removing rfcomm, usbserial and visor then trying to sync worked