PCMTuner ‘Guardant Dongle Not Found’ Solution

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Problem:
Just received the pcmtuner today. It has a problem on Windows 7. Pcm threw an error ‘Guardant Dongle Not Found’
Any solution?

Solution:
PCM Flash is broken. You updated pcm flash to 1.2.5, you need re-install, never update pcm-flash.
Follow the solution here to delete and re-install pcm-flash.