Hi Charles;
Sorry you're having so much trouble with this!
So are you selecting the Com port manually before trying to open?
Do you know how to go into the device manager to verify the Com port that the Procyon is using?
Are you using the latest driver from the support site?
Let me know these things and I'm sure we can figure this out. I'm pretty certain there's nothing wrong with your Procyon, more likely just a driver issue that we'll get to the bottom of.
-Andy.
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