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Firstly, you should unload the current MVR software on your computer and then install the latest myVapors software. Here is the link for you: http://www.joyetech.com/support/down_nr.php?id=48&k=1
Secondly, separate the control head from battery tube, keep pressing the button and then connect it (the control head) to you computer, and then upgrade the device to myVapors, maybe your device will be normal.