You are getting that error because you are using a demo version. They only allow like 5 ports on that. You can either buy the whole version and then continue with your mission or you can lower the port number which can be done in the device manager.
Note: In the future please refrain from thread hijacking. You originally posted in the "Samsung bins/dll" section. Your problem has nothing to do with that. I split your question away from that thread to help out.
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