I suggest you perform a RESTORE function from a previous file dated before the problem occurred.   Or if you have a back-up system, go back to a known working configuration.   (You have regular computer back ups don't you?)

Using the K3 Utility, if communicates correctly with the radio, then start with a single application such as WSJT-X or FLDIGI. Don't use or launch  any other control or logging applications. Just run WSJT-X or FLDIGI direct and stand-a-lone.   If that works then you perhaps would be lead to believe that the configuration between the control application and logging application are suspect.

The approach is to launch and run only one application at a time.  If it doesn't work, then debug and find out why and get it working before moving on.  Too many variables may take eons to sort out.

73

Bob, K4TAX


On 7/1/2022 5:27 PM, elecraft-requ...@mailman.qth.net wrote:
-----Original Message-----
From:elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Peter Dougherty
(W2IRT)
Sent: Thursday, June 30, 2022 12:28 AM
To: 'George Thornton';Elecraft@mailman.qth.net
Subject: Re: [Elecraft] COM port problems

It's possible (and I'm guessing somehow likely), but darned if I know what
to even look for. These are things that were set when the computer was built
from scratch last year, they have worked 100% reliably over thousands of
QSOs in both Commander and N1MM+ ever since, and absolutely nothing was
changed in terms of configuration or even a Windows Update in at least two
weeks. I just needed to restart the computer after moving it from a wall
outlet to a UPS, and it started going crazy from that point on.

Whatever the issue is, it seems to affect ALL the COM ports in the system
the same; neither Commander nor N1MM can open the radio port, or either of
the two rotor ports.

I did somehow manage to get Commander working (don't aske me how, it just
started), but the rotors are still no-go (and not critical at the moment).



- pjd


--
IF ONE EXPECTS COMPUTERS AND TECHNOLOGY TO SOLVE THEIR PROBLEMS,
ONE DOESN'T UNDERSTAND COMPUTERS AND TECHNOLOGY
AND ONE DOESN'T UNDERSTAND THEIR PROBLEMS."


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