ThisTry this:
Right click on your executable and choose "run as administrator". Windows 7 by default runs programs without admin privileges. I'm betting that the ability to write to a COM port requires running a program as an Administrator.
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Right click on your executable and choose "run as administrator". Windows 7 by default runs programs without admin privileges. I'm betting that the ability to write to a COM port requires running a program as an Administrator.
This this:
Right click on your executable and choose "run as administrator". Windows 7 by default runs programs without admin privileges. I'm betting that the ability to write to a COM port requires running a program as an Administrator.
Try this:
Right click on your executable and choose "run as administrator". Windows 7 by default runs programs without admin privileges. I'm betting that the ability to write to a COM port requires running a program as an Administrator.